Document:

EXHIBIT 10.9

                             STOCK OPTION AGREEMENT

                                                              AS AMENDED THROUGH
                                                                  April 12, 2002

                                   GTSI CORP.

                      1997 NON(Y)OFFICER STOCK OPTION PLAN

1.   Establishment and Purposes of the Plan.

     GTSI Corp. hereby establishes this 1997 Non-Officer Stock Option Plan to
promote the interests of the Company and its stockholders by (i) helping to
attract and retain the services of certain non-officer employees of the Company
who are in a position to make a material contribution to the successful
operation of the Company's business; (ii) motivating such persons, by means of
performance-related incentives, to continue working toward, and contributing to,
the success of the Company; and (iii) fostering such persons' equity investment
in, and thereby aligning their interests with the long-term growth and financial
success of, the Company.

2.   Definitions.

     The following definitions shall apply throughout the Plan:

     (a)  "Affiliate" shall mean any entity that directly, or indirectly through
one or more intermediaries, controls or is controlled by, or is under common
control with, the Company.

     (b)  "Board of Directors" shall mean the Board of Directors of the Company.

     (c)  "Code" shall mean the Internal Revenue Code of 1986, as amended.
References in the Plan to any section of the Code shall be deemed to include any
amendment or successor provisions to such section and any regulations issued
under such section.

     (d)  "Common Stock" shall mean the common stock, par value $0.005 per
share, of the Company.

     (e)  "Company" shall mean GTSI Corp., a Delaware Corporation, and any
"subsidiary" corporation, whether now or hereafter existing, as defined in
Sections 424(f) and (g) of the Code, or any entity in which GTSI owns at least a
35% interest.

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     (f)  "Committee" shall mean the Committee appointed by the Board of
Directors in accordance with Section 4(a) of the Plan or, if no Committee shall
be appointed or in office, the Board of Directors.

     (g)  "Continuous Employment" shall mean the absence of any interruption or
termination of employment by the Company. Continuous Employment shall not be
considered interrupted in the case of sick leave, military leave or any other
leave of absence approved by the Committee or in the case of transfers between
locations of the Company.

     (h)  "Employee" shall mean any employee of the Company who is not an
officer or director, as defined under Rule 4461 of The Nasdaq Stock Market's
National Market Rules or successor Rules, whether such employee is employed on a
full-time or part-time basis. Any person designated by the Company as an
independent contractor may be treated as an Employee for purposes of the Plan.

     (i)  "Fair Market Value" shall mean, with respect to Shares, the fair
market value per Share on the date an option is granted and, so long as the
Shares are quoted on the National Market tier of The Nasdaq Stock Market, the
Fair Market Value per Share shall be the closing price on The Nasdaq Stock
Market as of the date of grant of the Option, as reported in The Wall Street
Journal, or if there are no sales on such date, on the immediately preceding day
on which there were reported sales.

     (j)  "Option" shall mean a non-statutory stock option to purchase the
Common Stock of the Company granted to an Optionee pursuant to the Plan. Options
to be granted pursuant to the Plan are intended to be "non-statutory stock
options" and are not intended to be "incentive stock options" within the meaning
of Section 422 of the Code, or to otherwise qualify for any special tax benefits
to the Optionee.

     (k)  "Option Agreement" means a written agreement substantially in the form
attached hereto as Exhibit A, or such other form or forms as the Committee
(subject to the terms and conditions of the Plan) may from time to time approve,
evidencing and reflecting the terms of an Option.

     (l)  "Optioned Stock" shall mean the Common Stock subject to an Option
granted pursuant to the Plan. (l) "Optionee" shall mean any Employee who is
granted an Option under the Plan.

     (m)  "Plan" shall mean this GTSI Corp. 1997 Non-Officer Stock Option Plan.

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     (n)  "Shares" shall mean shares of the Common Stock or any shares into
which such Shares may be converted in accordance with Section 9 of the Plan.

3.   Shares Reserved.

     The maximum aggregate number of Shares reserved for issuance pursuant to
the Plan shall be 300,000 Shares or the number of shares of stock to which such
Shares shall be adjusted as provided in Section 9 of the Plan. Such number of
Shares may be set aside out of authorized but unissued Shares not reserved for
any other purpose, or out of issued Shares reacquired by, and held in the
treasury of, the Company.

     Shares subject to, but not sold or issued under, any Option terminating,
expiring or canceled for any reason prior to its exercise in full, shall again
become available for Options thereafter granted under the Plan, and the same
shall not be deemed an increase in the number of Shares reserved for issuance
under the Plan.

4.   Administration of the Plan.

     (a)  The Plan shall be administered by a Committee designated by the Board
of Directors to administer the Plan and comprised of not less than two persons.
In addition, each director designated by the Board of Directors to administer
the Plan shall be an "outside director" as defined in the Treasury regulations
issued pursuant to Section 162(m) of the Code. Members of the Committee shall
serve for such period of time as the Board of Directors may determine or until
their resignation, retirement, removal or death, if sooner. From time to time
the Board of Directors may increase the size of the Committee and appoint
additional members thereto, remove members (with or without cause) and appoint
new members in substitution therefore, or fill vacancies however caused.

     (b)  Subject to the provisions of the Plan, the Committee shall have the
authority, in its discretion, to: (i) grant Options; (ii) determine (if
necessary), upon review of relevant information, the Fair Market Value per
Share; (iii) determine the exercise price of the Options to be granted to
Employees in accordance with Section 6(c) of the Plan; (iv) determine the
Employees to whom, and the time or times at which, Options shall be granted, and
the number of Shares subject to each Option; (v) prescribe, amend and rescind
rules and regulations relating to the Plan subject to the limitations set forth
in Section 11 of the Plan; (vi) determine the terms and provisions of each
Option granted to Optionees under the Plan and each Option Agreement (which need
not be identical with the terms of other Options and Option Agreements) and,
with

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the consent of the Optionee, to modify or amend an outstanding Option or Option
Agreement; (vii) accelerate the exercise date of any Option; (viii) determine
whether any Optionee will be required to execute a stock repurchase agreement or
other agreement as a condition to the exercise of an Option, and to determine
the terms and provisions of any such agreement (which need not be identical with
the terms of any other such agreement) and, with the consent of the Optionee, to
amend any such agreement; (ix) interpret the Plan or any agreement entered into
with respect to the grant or exercise of Options; (x) authorize any person to
execute on behalf of the Company any instrument required to effectuate the grant
of an Option previously granted or to take such other actions as may be
necessary or appropriate with respect to the Company's rights pursuant to
Options or agreements relating to the grant or exercise thereof; (xi) with the
consent of the Optionee, cancel any Option previously granted (and the Committee
may or may not substitute an option at a different price and/or different
amounts and/or under different terms and conditions); and (xii) make such other
determinations and establish such other procedures as it deems necessary or
advisable for the administration of the Plan.

     (c)  All decisions, determinations and interpretations of the Committee
shall be final and binding on all Optionees and any other holders of any Options
granted under the Plan.

     (d)  The Committee shall keep minutes of its meetings and of the actions
taken by it without a meeting. A majority of the Committee shall constitute a
quorum, and the actions of a majority at a meeting, including a telephonic
meeting, at which a quorum is present, or acts approved in writing by a majority
of the members of the Committee without a meeting, shall constitute acts of the
Committee.

     (e)  The Company shall pay all original issue and transfer taxes with
respect to the grant of Options and/or the issue and transfer of Shares pursuant
to the exercise thereof, and all other fees and expenses necessarily incurred by
the Company in connection therewith; provided, however, that the person
exercising an Option shall be responsible for all payroll, withholding, income
and other taxes incurred by such person in respect of the exercise of an Option
or transfer of Shares.

5.   Eligibility.

     Options may be granted under the Plan only to Employees. An Employee who
has been granted an Option may, if he or she is otherwise eligible, be granted
additional Options; provided, however, that no Option shall be granted to any
Employee if immediately after the

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grant of such Option such Employee would own stock, including stock subject to
outstanding options previously granted to him or her, amounting to or exceeding
5% of the total combined voting power or value of all classes of stock of the
Company.

6.   Terms and Conditions of Options.

     Options granted by the Committee pursuant to the Plan shall be evidenced by
an Option Agreement providing, in addition to such other terms as the Committee
may deem advisable, the following terms and conditions:

     (a)  Time of Granting Options. The date of grant of an Option shall, except
in the case of Non-Employee Directors, be the date on which the Committee makes
the determination granting such Option. Notice of the determination shall be
given to each Optionee within a reasonable time after the date of such grant.

     (b)  Number of Shares. Each Option Agreement shall state the number of
Shares to which it pertains. The maximum number of Shares which may be subject
to Options granted under the Plan during any calendar year to any Optionee is
100,000 Shares. If an Option held by an Employee of the Company is canceled, the
canceled Option shall continue to be counted against the maximum number of
Shares for which Options may be granted to such Employee and any replacement
Option granted to such Employee shall also count against such limit.

     (c)  Exercise Price. The exercise price per Share for the Shares to be
issued pursuant to the exercise of an Option shall be such price as is
determined by the Committee; provided, however, that such price shall in no
event be less than 100% of the Fair Market Value per Share on the date of grant,
except that the Committee may specifically provide that the exercise price of an
Option may be higher or lower in the case of an Option granted to employees of a
company acquired by the Company in assumption and substitution of options held
by such employees at the time such company is acquired.

     (d)  Medium and Time of Payment. The consideration to be paid for the
Shares to be issued upon exercise of an Option and to be paid to satisfy any
withholding tax obligation incident thereto, including the method of payment,
shall be determined by the Committee and, subject to approval by the Committee,
may consist entirely or in any combination of cash, check, a commitment to pay
by a broker or Shares held by the Optionee or issuable upon exercise of the
Option, or such other consideration and method of payment permitted under any
laws to which

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the Company is subject. In the case of an Incentive Stock Option, such provision
shall be determined on the date of the grant.

     (e)  Term of Options. The term of an Option may be up to 10 years from the
date the Optionee first becomes vested in any portion of an Option award. The
term of any Option may be less than the maximum term provided for herein, as
specified by the Committee upon grant of the Option and as set forth therein.

     (f)  Suspension or Termination of Option. The Company's Chief Executive
Officer, its General Counsel, and its Vice President for Human Resources (any
such person, an "Authorized Officer") each may prescribe, at any time and from
time to time (including after a notice of exercise has been properly delivered
to the Company), that the right to exercise an Option may be suspended pending a
reasoned, good faith determination by an Authorized Officer or the Committee on
whether an Optionee has committed an act of embezzlement, fraud, dishonesty,
nonpayment of any obligation owed to the Company, breach of fiduciary duty or
deliberate disregard of Company rules; has made an unauthorized disclosure of
any Company trade secret or confidential information; has engaged in any conduct
constituting unfair competition; has induced any customer of the Company to
breach a contract with the Company or any principal for whom the Company acts as
agent to terminate such agency relationship; or has engaged in any other act or
conduct proscribed by the Committee from time to time (any such act or conduct,
individually or collectively, "Misconduct"). No Optionee shall be entitled to
exercise any Option if the Authorized Officer or the Committee, as the case may
be, has so determined such Optionee to have engaged in any Misconduct.

7.   Exercise of Option.

     (a)  In General. Any Option granted hereunder to an Employee shall be
exercisable at such times and under such conditions as may be determined by the
Committee and as shall be permissible under the terms of the Plan, including any
performance criteria with respect to the Company and/or the Optionee as may be
determined by the Committee.

     An Option may be exercised in accordance with the provisions of the Plan as
to all or any portion of the Shares then exercisable under an Option from time
to time during the term of the Option. However, an Option may not be exercised
for a fraction of a Share.

     (b)  Procedure. An Option shall be deemed to be exercised when written
notice of such exercise has been given to the Company at its principal business
office in accordance with

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the terms of the Option Agreement by the person entitled to exercise the Option
and full payment for the Shares with respect to which the Option is exercised
has been received by the Company, accompanied by any other agreements required
by the terms of the Plan and/or Option Agreement or as required by the Committee
and payment by the Optionee of all payroll, withholding or income taxes incurred
in connection with such Option exercise (or arrangements for the collection or
payment of such tax satisfactory to the Committee are made). Full payment may
consist of such consideration and method of payment allowable under Section 6(d)
of the Plan.

     (c)  Decrease in Available Shares. Exercise of an Option in any manner
shall result in a decrease in the number of Shares which thereafter may be
available, both for purposes of the Plan and for sale under the Option, by the
number of Shares as to which the Option is exercised.

     (d)  Exercise of Stockholder Rights. Until the Option is properly exercised
in accordance with the terms of this section, no right to vote or to receive
dividends or any other rights as a stockholder shall exist with respect to the
Optioned Stock. No adjustment shall be made for a dividend or other right for
which the record date is prior to the date the Option is exercised, except as
provided in Section 9 of the Plan.

     (e)  Termination of Eligibility. If an Optionee ceases to serve as an
Employee for any reason other than death or permanent and total disability
(within the meaning of Section 22(e)(3) of the Code) and thereby terminates his
or her Continuous Status as an Employee, such Optionee may, but only within one
month following the date he or she ceases his or her Continuous Status as an
Employee (subject to any earlier termination of the Option as provided by its
terms), exercise his or her Option to the extent that he or she was entitled to
exercise it at the date of such termination. To the extent that the Optionee was
not entitled to exercise the Option at the date of such termination, or if the
Optionee does not exercise such Option (which he or she was entitled to
exercise) within the time specified herein, the Option shall terminate.
Notwithstanding anything to the contrary herein, the Committee may at any time
and from time to time prior to the termination of an Option, with the consent of
the Optionee, extend the period of time during which the Optionee may exercise
his or her Option following the date he or she ceases his or her Continuous
Status as an Employee; provided, however, that the maximum period of time during
which an Option shall be exercisable following the date on which an Optionee
terminates his or her Continuous Status as an Employee shall not exceed an
aggregate

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of six months, that the Option shall not be, or as a result of such extension
become, exercisable after the expiration of the term of such Option as set forth
in the Option Agreement and, notwithstanding any extension of time during which
the Option may be exercised, that such Option, unless otherwise amended by the
Committee, shall only be exercisable to the extent the Optionee was entitled to
exercise it on the date he or she ceased his or her Continuous Status as an
Employee.

     (f)  Death or Disability Of Optionee. If an Optionee's Continuous Status as
an Employee ceases by death or permanent and total disability (within the
meaning of Section 22(e)(3) of the Code), the Option may be exercised within six
months (or such other period of time not exceeding one year as is determined by
the Committee) following the date of such Optionee's termination of employment
by death or permanent and total disability (subject to any earlier termination
of the Option as provided by its terms) by the Optionee in the case of permanent
or total disability, or in the case of death by the Optionee's estate or by a
person who acquired the right to exercise the Option by bequest or inheritance,
but in any case (unless otherwise determined by the Committee) only to the
extent the Optionee was entitled to exercise the Option at the date of his or
her termination of employment by death or permanent and total disability. To the
extent that the Optionee was not entitled to exercise such Option at the date of
his or her termination of employment by death or permanent and total disability,
or if he or she does not exercise such Option (which he or she was entitled to
exercise) within the time specified herein, the Option shall terminate.

     (g)  Expiration of Option. Notwithstanding any provision of the Plan,
including but not limited to the provisions set forth in Sections 7(e) and 7(f)
of the Plan, an Option may not be exercised, under any circumstances, after the
expiration of its term.

     (h)  Conditions on Exercise and Issuance. As soon as practicable after any
proper exercise of an Option in accordance with the provisions of the Plan, the
Company shall deliver to the Optionee at the principal executive office of the
Company or such other place as shall be mutually agreed upon between the Company
and the Optionee, a certificate or certificates representing the Shares for
which the Option shall have been exercised. The time of issuance and delivery of
the certificate or certificates representing the Shares for which the Option
shall have been exercised may be postponed by the Company for such period as may
be required by

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the Company, with reasonable diligence, to comply with any law or regulation
applicable to the issuance or delivery of such Shares.

     Options granted under the Plan are conditioned upon the Company obtaining
any required permit or order from appropriate governmental agencies, authorizing
the Company to issue such Options and Shares issuable upon exercise thereof.
Shares shall not be issued pursuant to the exercise of an Option unless the
exercise of such Option and the issuance and delivery of such Shares pursuant
thereto shall comply with all relevant provisions of law, including, without
limitation, the Securities Act of 1933 (as amended), the Securities Exchange Act
of 1934 (as amended), applicable state law, the rules and regulations
promulgated thereunder, and the requirements of any stock exchange upon which
the Shares may then be listed, and may be further subject to the approval of
counsel for the Company with respect to such compliance.

     (i)  Withholding or Deduction for Taxes. The grant of Options hereunder and
the issuance of Shares pursuant to the exercise thereof is conditioned upon the
Company's reservation of the right to withhold, in accordance with any
applicable law, from any compensation or other amounts payable to the Optionee
any taxes required to be withheld under Federal, state or local law as a result
of the grant or exercise of such Option or the sale of the Shares issued upon
exercise thereof. To the extent that compensation and other amounts, if any,
payable to the Optionee are insufficient to pay any taxes required to be so
withheld, the Company may, in its sole discretion, require the Optionee, as a
condition of the exercise of an Option, to pay in cash to the Company an amount
sufficient to cover such tax liability or otherwise to make adequate provision
for the delivery to the Company of cash necessary to satisfy the Company's
withholding obligations under Federal and state law.

8.   Non-transferability of Options.

     Options granted under the Plan may not be sold, pledged, assigned,
hypothecated, gifted, transferred or disposed of in any manner, either
voluntarily or involuntarily by operation of law, other than by will or by the
laws of descent or distribution or transfers between spouses incident to a
divorce.

9.   Adjustment Upon Change in Corporate Structure.

     (a)  Subject to any required action by the stockholders of the Company, the
number of Shares covered by each outstanding Option, and the number of Shares
which have been

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authorized for issuance under the Plan but as to which no Options have yet been
granted or which have been returned to the Plan upon cancellation or expiration
of an Option, as well as the exercise or purchase price per Share covered by
each such outstanding Option, shall be proportionately adjusted for any increase
or decrease in the number of issued Shares resulting from a stock split or
combination or the payment of a stock dividend (but only on the Common Stock) or
any other increase or decrease in the number of issued Shares effected without
receipt of consideration by the Company (other than stock awards to Employees);
provided, however, that the conversion of any convertible securities of the
Company shall not be deemed to have been effected without the receipt of
consideration. Such adjustment shall be made by the Committee, whose
determination in that respect shall be final, binding and conclusive. Except as
expressly provided herein, no issuance by the Company of shares of stock of any
class, or securities convertible into shares of stock of any class, shall
affect, and no adjustment by reason thereof shall be made with respect to, the
number or price of Shares subject to the Plan or an Option.

     (b)  In the event of the proposed dissolution or liquidation of the
Company, or in the event of a proposed sale of all or substantially all of the
assets of the Company (other than in the ordinary course of business), or the
merger or consolidation of the Company with or into another corporation, as a
result of which the Company is not the surviving and controlling corporation,
the Board of Directors shall (i) make provision for the assumption of all
outstanding options by the successor corporation or (ii) declare that any Option
shall terminate as of a date fixed by the Board of Directors which is at least
30 days after the notice thereof to the Optionee and shall give each Optionee
the right to exercise his or her Option as to all or any part of the Optioned
Stock, including Shares as to which the Option would not otherwise be
exercisable provided such exercise does not violate Section 7(e) of the Plan.

     (c)  No fractional shares of Common Stock shall be issuable on account of
any action aforesaid, and the aggregate number of shares into which Shares then
covered by the Option, when changed as the result of such action, shall be
reduced to the largest number of whole shares resulting from such action, unless
the Board of Directors, in its sole discretion, shall determine to issue scrip
certificates in respect to any fractional shares, which scrip certificates in
such event shall be in a form and have such terms and conditions as the Board of
Directors in its discretion shall prescribe.

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10.  Stockholder Approval.

     Pursuant to Section (i)(1)(A) of The Nasdaq Stock Market's National Market
Rules, stockholder approval is not required of 1/3 broadly based plans or
arrangements including [employees other than officers or directors]. Therefore,
the Plan shall become effective upon its approval by the Company's Board of
Directors.

11.  Amendment and Termination of the Plan.

     (a)  Amendment and Termination. Except as provided in Section 11(b) of the
Plan, the Committee may amend or terminate the Plan at any time and from time to
time, in such respects as the Committee may deem advisable.

     (b)  Effect of Amendment or Termination. Except as otherwise provided in
Section 9 of the Plan, any amendment or termination of the Plan shall not affect
Options already granted and such Options shall remain in full force and effect
as if the Plan had not been amended or terminated, unless mutually agreed
otherwise between the Optionee and the Company, which agreement must be in
writing and signed by the Optionee and the Company.

12.  Indemnification.

     No member of the Committee or of the Board of Directors shall be liable for
any act or action taken, whether of commission or omission, except in
circumstances involving willful misconduct, or for any act or action taken,
whether of commission or omission, by any other member or by any officer, agent,
or Employee. In addition to such other rights of indemnification they may have
as members of the Board of Directors, or as members of the Committee, the
Committee shall be indemnified by the Company against reasonable expenses,
including attorneys' fees actually and necessarily incurred in connection with
the defense of any action, suit or proceeding, or in connection with any appeal
therein, to which they or any of them may be a party by reason of any action
taken, by commission or omission, in connection with the Plan or any Option
taken thereunder, and against all amounts paid by them in settlement thereof
(provided such settlement is approved by independent legal counsel selected by
the Company) or paid by them in satisfaction of a judgment in any action, suit
or proceeding, except in relation to matters as to which it shall be adjudged in
such action, suit or proceeding that such Committee member is liable for willful
misconduct in the performance of his or her duties; provided that within 60 days
after institution of any such action, suit or proceeding, a Committee member
shall in writing offer the Company the opportunity, at its own expense, to
handle and defend the same.

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13.  General Provisions.

     (a)  Other Plans. Nothing contained in the Plan shall prohibit the Company
from establishing additional incentive compensation arrangements.

     (b)  No Enlargement of Rights. Neither the Plan, nor the granting of
Shares, nor any other action taken pursuant to the Plan shall constitute or be
evidence of any agreement or understanding, express or implied, that the Company
will retain an Employee for any period of time, or at any particular rate of
compensation. Nothing in the Plan shall be deemed to limit or affect the right
of the Company to discharge any Employee thereof at any time for any reason or
no reason.

     No Employee shall have any right to or interest in Options authorized
hereunder prior to the grant thereof to such eligible person, and upon such
grant he or she shall have only such rights and interests as are expressly
provided herein and in the related Option Agreement, subject, however, to all
applicable provisions of the Company's Certificate of Incorporation, as the same
may be amended from time to time.

     (c)  Notice. Any notice to be given to the Company pursuant to the
provisions of the Plan shall be addressed to the Company in care of its
Corporate Secretary (or such other person as the Company may designate from time
to time) at its principal office, and any notice to be given to an Optionee whom
an Option is granted hereunder shall be delivered personally or addressed to him
or her at the address given beneath his or her signature on his or her Option
Agreement, or at such other address as such Optionee or his or her transferee
(upon the transfer of the Optioned Stock) may hereafter designate in writing to
the Company. Any such notice shall be deemed duly given when enclosed in a
properly sealed envelope or wrapper addressed as aforesaid, registered or
certified, and actually received by the Company. It shall be the obligation of
each Optionee holding Shares purchased upon exercise of an Option to provide to
the Corporate Secretary of the Company, by letter mailed as provided herein
above, written notice of his or her direct mailing address.

     (d)  Applicable Law. To the extent that Federal laws do not otherwise
control, the Plan shall be governed by and construed in accordance with the laws
of the State of Delaware, without regard to the conflict of laws rules thereof.

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     (e)  Information to Optionees. The Company shall provide without charge to
each Optionee upon request copies of such annual and periodic reports as are
provided by the Company to its stockholders generally.

     (f)  Availability of Plan. A copy of the Plan shall be delivered to the
Corporate Secretary of the Company and shall be shown by him or her to any
eligible person making reasonable inquiry concerning it.

     (g)  Severability. In the event that any provision of the Plan is found to
be invalid or otherwise unenforceable under any applicable law, such invalidity
or unenforceability shall not be construed as rendering any other provisions
contained herein as invalid or unenforceable, and all such other provisions
shall be given full force and effect to the same extent as though the invalid or
unenforceable provision was not contained herein.

14.  Effective Date and Term of Plan.

     The Plan shall become effective on May 6, 1997, and shall continue in
effect for a term of ten years unless sooner terminated pursuant to Section 11
of the Plan.

                       CERTIFICATE OF ASSISTANT SECRETARY

     The undersigned Assistant Secretary of GTSI Corp. (the "Company") hereby
certifies that the foregoing is a true and correct copy of the Company's 1997
Non-Officer Stock Option Plan, as adopted by the Company's Board of Directors on
May 6, 1997, and as amended through April 12, 2002.

     IN WITNESS WHEREOF, the undersigned has executed this document as of the
18th day of April, 2002.

                                                     /s/  CHARLES DELEON
                                             -----------------------------------

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                                             Charles DeLeon, Assistant Secretary

                                       29EXHIBIT 10.17

                                 FIFTH AMENDMENT

     THIS FIFTH AMENDMENT ("Amendment") is entered into as of the 28th day of
February, 2001 by and among Deutsche Financial Services Corporation ("DFS"), as
Agent and a Lender ("Agent"), the other Lenders signatories hereto ("Lenders")
and GTSI Corp. f/k/a Government Technology Services, Inc. ("Borrower").

                                    RECITALS

     Agent, Lenders (and/or their successors by assignment, as applicable) and
Borrower are parties to that certain Second Amended and Restated Business Credit
and Security Agreement dated as of July 28, 1997 (as amended from time to time,
the "Credit Agreement"). Lenders and Agent now desire to amend certain
provisions of the Credit Agreement subject to the terms hereof.

     NOW, THEREFORE, in consideration of the forgoing premises and for other
good and valuable consideration, the receipt and sufficiency of which is hereby
acknowledged, the parties agree as follows:

     1.   Reserves. The following sentence shall be added to the end of Section
          3.12 of the Credit Agreement.

     "Furthermore, when requested in writing by SunTrust Bank, Agent shall have
the right to establish reserves up to Seven Million Five Hundred Thousand
Dollars ($7,500,000), against the amount of Loans which Borrower may otherwise
request under Section 3.2, in the amount of the Microsoft Transfers. The
"Microsoft Transfers" shall mean all amounts paid by Borrower to Microsoft
Corporation or its subsidiaries or affiliates via Automated Clearing House (ACH)
transfers from Borrower's account at SunTrust Bank."

     2. Consent to Filing of Lien by SunTrust Bank. Notwithstanding the
provisions of Section 9.2.3 to the contrary, Borrower may grant a security
interest to SunTrust Bank in Borrower's accounts and the proceeds thereof, and
SunTrust Bank may file, on or after the effective date of this Amendment, a Lien
on Borrower's accounts and the proceeds thereof; provided that such security
interest and Lien are at all times subordinate to DFS' security interests and
Liens in Borrower's accounts and the proceeds thereof, both in its capacity as
Agent under the Credit Agreement, and in its individual capacity.

     3. Consent to Acquisition of Assets of EdgeMark Systems, Inc.
Notwithstanding the provisions of Section 9.2.4 to the contrary, Lenders hereby
consent to Borrower's purchase of substantially all of the assets of EdgeMark
Systems, Inc., provided that after giving effect to such purchase, Borrower is
in compliance with each of the financial covenants set forth in Section 9.3.1 of
the Credit Agreement.

     4. Consent to Stock Repurchase. In the Third Amendment dated November 24,
1999 among Agent, Lenders and Borrower ("Third Amendment"), Lenders previously
consented to Borrower's purchase of its stock from third-party shareholders in
an amount not to exceed Five Million Two Hundred Fifty Thousand Dollars
($5,250,000). In the Fourth Amendment dated November 17, 2000 among Agent,
Lenders and Borrower ("Fourth Amendment"), Lenders consented to an increase of
such amount to Six

                                       30
<PAGE>

Million One Hundred Thousand Dollars ($6,100,000). Borrower has requested that
Lender consent to additional purchases of Borrower's stock. Notwithstanding the
provisions of Section 9.2.16 to the contrary, Lenders hereby consent to
Borrower's purchase of its stock from third-party shareholders in an amount not
to exceed Four Million Six Hundred Seventy Five Thousand Dollars ($4,675,000);
provided: (i) that the aggregate amount of all such stock held by Borrower
(including stock previously purchased), does not exceed Twelve Million Nine
Hundred Ten Thousand Dollars ($12,910,000) and (ii) after giving effect to such
purchase, Borrower is in compliance with each of the financial covenants set
forth in Section 9.3.1 of the Credit Agreement.

     5. Conditions to Effectiveness. This Fifth Amendment shall become effective
as of the date first written above upon receipt by the Agent of counterparts to
this Fifth Amendment duly executed by the Borrower and the Lenders.

     6. Miscellaneous. Except to the extent specifically amended herein, all
terms and conditions of the Credit Agreement and the other Loan Documents are
hereby ratified and reaffirmed and shall remain in full force and effect.
Capitalized terms used but not defined herein shall have the meanings given them
in the Credit Agreement. Borrower waives notice of Agent's and each Lender's
acceptance of this Amendment. Agent and each Lender reserves all of their
respective rights and remedies under the Credit Agreement and other Loan
Documents.

     IN WITNESS WHEREOF, the parties hereto have executed this Fifth Amendment
as of the date first written above.

GTSI Corp.

By: ______________________________________

Name: ____________________________________

Title: ___________________________________

DEUTSCHE FINANCIAL SERVICES CORPORATION,
as Agent and a Lender

By: ______________________________________

Name: ____________________________________

Title: ___________________________________

Date: ____________________________________

SUNTRUST BANK, a Lender

                                       31
<PAGE>

By: ______________________________________

Name: ____________________________________

Title: ___________________________________

Date: ____________________________________

FLEET CAPITAL CORPORATION, a Lender

By: ______________________________________

Name: ____________________________________

Title: ___________________________________

Date: ____________________________________

                                       32

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