Document:

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                                                                    Exhibit 4.11

                       UDLP EXCESS PENSION PLAN FOR UNITED
                       -----------------------------------
                   DEFENSE LIMITED PARTNERSHIP AND AFFILIATES
                   ------------------------------------------
                    Amended and Restated as of March 15, 2001

         Section 1.   Establishment and Purposes of the Plan.
         ---------    --------------------------------------

         The UDLP Excess Pension Plan for United Defense Limited Partnership and
Affiliates (the "Plan") was established effective July 1, 1994, by United
Defense Limited Partnership, a Delaware limited partnership ("UDLP"). The
purpose of the Plan is to provide employees of UDLP and its affiliated companies
with the retirement benefits which they would have received under the FMC
Salaried Employees' Retirement Plan or other successor qualified employee
pension plans in which they participate (including the UDLP Salaried Employees'
Pension Plan and the UDLP Employees Pension Plan) (collectively, the "Retirement
Plan") but for the limitations on benefits set forth in the Employee Retirement
Income Security Act of 1974, as amended ("ERISA") including Section 415 of the
Internal Revenue Code of 1986, as amended ("Code"), and Section 401(a)(17) of
the Code (the "Limitations.").

         The Plan is maintained primarily for the purpose of providing deferred
compensation for a select group of management or highly compensated employees,
within the meaning of Sections 201(2), 301(a)(3) and 401(a)(1) of ERISA and is
not intended to comply with the requirements of Section 401(a) of the Code. The
Plan is intended to be unfunded for purposes of the Code and Title I of ERISA
and to be exempt from most of the requirements of ERISA. This version of the
Plan is an amendment and restatement of the Plan as of March 15, 2001.

         Section 2.   Participants.
         ---------    ------------

         Participants in the Plan shall be limited to those employees (as such
term is defined in the Retirement Plan) of UDLP whose retirement benefits are
affected by the Limitations. These employees are hereinafter referred to as
"Participants."

         Section 3.   Benefits.
         ---------    --------

         There shall be payable hereunder with respect to each Participant a
benefit or benefits equal to the difference between (a) and (b) as follows: (a)
the benefit or benefits which the Participant, spouse or beneficiary would have
received under the Retirement Plan but for the Limitations, excluding, however,
any benefit increases effected by adoption of a minimum normal retirement
benefit schedule for specified participants under the UDLP Employees Pension
Plan; and (b) the benefit or benefits to which the Participant, spouse or
beneficiary are entitled under the Retirement Plan, including any benefit
increases effected by adoption of a minimum normal retirement benefit schedule
for specified participants under the UDLP Employees Pension Plan (the difference
between (a) and (b) being the "Excess Benefit").

         The Participant shall have the same elections under this Plan as under
the Retirement Plan, but any election made under the Retirement Plan shall be
deemed to be an election under this Plan; provided, however, that a Participant
who (a) is at least age 55 on the date he terminates employment with UDLP and
its affiliated companies or (b) is terminated in

<PAGE>

connection with a permanent reduction in force shall be entitled under this Plan
to elect to receive the Excess Benefit hereunder in the form of a single sum
distribution equal to the present value, calculated using the assumptions
described below ("Assumptions"), of the Excess Benefit determined as of the time
of the distribution under the Retirement Plan in the form of a single life
annuity (whether or not this form of benefit has been elected under the
Retirement Plan). The Excess Benefit hereunder shall be paid at the same time or
times and, except as provided in the immediately preceding sentence, in same
manner as paid under the Retirement Plan. The Assumptions referred to above
shall be an 83 GAM Unisex mortality assumption and the Applicable Interest Rate.
The Applicable Interest Rate is the annual rate of interest on 30-year Treasury
securities, determined in accordance with Section 417(e) of the Code, for the
fifth month (i.e., August) preceding the first day of the Plan year (i.e., the
calendar year). Such interest rate shall be the Applicable Interest rate for the
entire calendar year.

         Section 4.  Funding.
         ---------   -------

         This Plan shall be either: a) unfunded and benefits hereunder shall be
payable only from the general assets of UDLP, or (b) funded through a Rabbi's
Trust.

         Section 5.  Administration.
         ---------   --------------

         This Plan shall be administered by the Employee Benefits Committee of
UDLP ("EBC"). The EBC's decision with respect to any matter pertaining to the
Plan including without limitation the employees determined to be participants,
the benefits payable and the construction or interpretation of any provision
hereof, shall be final, conclusive and binding upon all interested persons.

         Section 6.  Amendment and Termination.
         ---------   -------------------------

         UDLP reserves the right to amend or terminate the Plan at any time but
no such action shall reduce the benefits which would be payable to any
Participant if employment terminated on the date such action is taken.

         Section 7.  Employment.
         ---------   ----------

         Nothing in this Plan shall be deemed to give any person the right to
remain in the employ of UDLP or affect the right of UDLP to terminate any
Participant's employment with or without cause.

         Section 8   Claim.
         ---------   -----

         Any person claiming a benefit or requesting an interpretation or ruling
under the Plan shall present the request in writing to the EBC, which shall
respond in writing as soon as practicable.

         (a)  Denial of Claim.
              ---------------

         If the claim or request is denied, the written notice of denial shall
state:

                                       2

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          (i)   The reason for denial with specific reference to the Plan
provisions on which the denial was based;

          (ii)  A description of any additional material or information required
and an explanation of why it is necessary; and

          (iii) An explanation of the Plan's claim review procedure.

     (b) Review of Claim.
         ---------------

     Any person whose claim or request is denied or who has not received a
response within 60 days of the EBC's receipt of the written claim or request may
request review by notice given in writing to the EBC. The claim or request shall
be reviewed by the EBC which may grant the claimant a hearing or request a
hearing to clarify any related matters which it deems appropriate. On review,
the claimant may have representation, examine pertinent documents, and submit
issues and comments in writing.

     (c) Final Decision.
         --------------

     The decision on review shall normally be made by the EBC within 60 days of
the date of the EBC's receipt of the written claim or request authorized by
Section 8(b). If an extension of time is required for a hearing or other special
circumstances, the claimant shall be notified and the time limit shall be 120
days. The decision shall be in writing and shall state the reason and the
relevant Plan provisions.

     (d) Arbitration.
         -----------

     Any dispute arising hereunder upon conclusion of the procedures heretofore
provided in this Section 8 shall, upon request of the requesting person, be
decided by arbitration in the metropolitan area where the Participant is, or was
most recently, employed by UDLP, in accordance with the Commercial Arbitration
Rules of the American Arbitration Association. The arbitrator's scope of review
of the final decision of the Employee Benefits Committee shall be whether such
decision was arbitrary and capricious. The award rendered in such arbitration
shall be final, and judgment on such award may be entered in any court, state or
federal, having jurisdiction thereover.

                                       3<PAGE>

                                                                    Exhibit 4.12

                        UNITED DEFENSE, L.P. OPTION PLAN

         1.      Purpose of the Plan. This plan shall be known as United
                 -------------------
                 Defense L. P. Option Plan (the Plan). The purpose of the Plan
                 is to provide compensation incentives to eligible employees of
                 United Defense, L. P. (the Employer) and to attract and retain
                 the highest quality employees for positions of substantial
                 responsibility so as to promote the success of the Employer.

         2.      Definitions.  As used herein, the following definitions shall
                 -----------
                 apply:

                 (a)    "Affiliated Group" shall mean (i) the Employer and (ii)
                        any corporation or unincorporated trade or business
                        (including an affiliate) in which the Employer and/or
                        one or more affiliates own either stock possessing at
                        least 80 percent of the total combined voting power of
                        all classes of stock entitled to vote or at least 80
                        percent of the total value of all shares of all classes
                        of stock (or in the case of an unincorporated trade or
                        business, or "controlling interest" as defined in
                        regulations under Section 414(c) of the Code).

                 (b)    "Board" shall mean the governing board of the Employer.

                 (c)    "Change in Control" means (1) the purchase or other
                        acquisition by any person, entity or group of persons,
                        within the meaning of Section 13(d) or 14(d) of the
                        Securities Exchange Act of 1934 ("the Act"), or any
                        comparable successor provisions, of beneficial ownership
                        (within the meaning of Rule 13d-3 under the Act) of
                        thirty percent (30%) or more of either the outstanding
                        shares of common stock or the combined voting power of
                        the Employer's then outstanding voting securities
                        entitled to vote generally, or (2) the approval by the
                        stockholders of the Employer of a reorganization, merger
                        or consolidation, in each case with respect to which
                        persons who were stockholders/owners of the Employer
                        immediately prior to such reorganization, merger or
                        consolidation do not, immediately thereafter, own more
                        than fifty percent (50%) of the combined voting power
                        entitled to vote generally in the election of directors
                        of the reorganized, merged, or consolidated entity's
                        then outstanding securities, or (3) a liquidation or
                        dissolution of the Employer, or (4) the sale of
                        substantially all of the Employer's assets. In the case
                        of a Change in Control event affecting an Employer that
                        is not the common law Employer of the Participant, such
                        event shall be deemed to constitute a Change in Control
                        only if the Change in Control event affects an Employer
                        that owns, directly or through one or more controlled
                        entities, the stock or other equity interests of the
                        Participant's common law Employer.

                 (d)    Code" shall mean the Internal Revenue Code of 1986, as
                        amended.

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                 (e) "Company Contributions" shall mean "Company Contributions,"
                     as defined in Section 19(k) of the Qualified Plan.

                 (f) "Compensation" shall mean a Participant's wages for the
                     Plan Year for services rendered to the Employer, as
                     described in Treas. Reg. 1.415-2(d)(11)(i), but

                        (i)    including compensation deferred under the
                               Qualified Plan and amounts not includible in
                               gross income by reason of Code sections 125,
                               402(a)(8), 402(h), and 403(b), and

                        (ii)   excluding all reimbursements or other expense
                               allowances, income from the exercise of stock
                               options, fringe benefits
                               (cash or non-cash), moving expenses and welfare
                               benefits (including severance benefits), even if
                               includible in gross income, except that short
                               term disability, salary continuation, and
                               vacation pay will not be excluded.

                 (g) "Employee" shall mean any employee of the Employer.

                 (h) "Employee Benefits Committee" or "EB Committee" shall mean
                     the so-named committee (i) created by the Management
                     Committee by resolution adopted December 31, 1997, (ii)
                     authorized by subsequent Management Committee resolution to
                     administer this Plan, and (iii) composed from time to time
                     of individuals designated as its members by the Management
                     Committee.

                 (e) "Employee Contributions" shall mean "Employee-Elected
                     Company Contributions," as defined in Section 19(q) of the
                     Qualified Plan, and "Special Employee Contributions," as
                     defined in Section 19(mm) of the Qualified Plan.

                 (f) "Employer" shall mean United Defense, L. P. or UDLP
                     Holdings Corp.

                 (g) "Employer Credit" shall mean an amount that the Employer
                     credits on behalf of the Participant pursuant to Section 6
                     of this Plan at the time an Option is granted.

                 (h) "Employer Matching Contribution" shall mean an amount that
                     the Employer will provide under this Plan to a Participant
                     only if and when the Participant chooses to exercise an
                     Option granted pursuant to this Plan.

                 (i) "Fair Market Value" shall mean, for any particular day, the
                     closing price of the share on such date, unless the
                     Management Committee, in its sole discretion, shall
                     determine otherwise in a fair and uniform manner.

                                                                               2

<PAGE>

                 (j) "Management Committee" shall mean the Management Committee
                     of United Defense, L. P.

                 (k) "Option" shall mean an option to purchase one or more
                     Shares granted pursuant to this Plan.

                 (m) "Option Agreement" means a written agreement evidencing the
                     award of an Option under the Plan.

                 (n) "Participant" shall mean any Employee who receives an
                     Option under the Plan, as evidenced by an Option Agreement
                     entered into between such Employee and the Employer.

                 (o) "Plan Year" shall mean the calendar year.

                 (p) "Prior Plan" shall mean the Amended and Restated UDLP
                     Supplemental Retirement and Savings Plan.

                 (q) "Qualified Plan" shall mean the UDLP Salaried Employees'
                     401(k) Plan, as amended from time to time.

                 (r) "Plan" shall mean the United Defense, L. P. Option Plan, as
                     amended from time to time.

                 (s) "Shares" shall mean the shares of mutual funds referenced
                     in the Option Agreement, but may in no way be expanded to
                     include units of any money market funds or other cash
                     equivalents.

                 (t) "Year of Service" shall mean a twelve (12) consecutive
                     month period during which the Employee is employed by the
                     Affiliated Group and paid by, or entitled to be paid by,
                     the Affiliated Group.

         3.     Establishment of Plan and Plan Year.  The Plan as adopted by the
                -----------------------------------
                Management Committee shall become effective January 1, 2001 and
                shall continue in effect until terminated pursuant to paragraph
                15 below.

         4.     Shares Subject to the Plan.  The aggregate number and type of
                --------------------------
                Shares subject to Options shall be fully described in each
                Option Agreement.

         5.     Eligibility.  All Employees of the Employer who are designated
                -----------
                by the Management Committee or its designee are eligible to
                receive Options under the Plan. The EB Committee or its designee
                shall designate, prior to each Plan Year or during the Plan Year
                as appropriate, which Employees are eligible to participate in
                the Plan. Each Participant designated as eligible to receive
                Options for any Plan Year shall

                                                                               3

<PAGE>

                elect, prior to the start of participating in the Plan, what
                portion of his or her Compensation to forego in exchange for
                receiving the Option(s).

        6.      Grant of Options. The EB Committee shall determine in its sole
                ----------------
                discretion the number of Shares to be offered from time to time
                and grant Options under the Plan. Such determination shall
                generally be made by the EB Committee in advance for options
                granted prospectively on a payroll period basis, in accordance
                with information provided by the Employee. Information provided
                by the employee will determine when the employee actually
                chooses to forego compensation and receive options.

                The foregoing determination shall be evidenced by a blanket
                written Option Agreement covering the grant on a payroll period
                basis, approved annually by the Participant. The Plan
                recordkeeper shall maintain records which reflect that
                individual options that are granted each payroll period in total
                make up a particular Plan Year's award. Such Option shall be
                tracked on the basis of the plan year award.

                Options shall granted at the Participant's election to replace
                the Participant's account balance in the Prior Plan.

                The grant of Options shall be evidenced by written Option
                Agreements containing such terms and provisions as are approved
                by the EB Committee. The Option Agreements shall be executed on
                behalf of the Employer upon instructions from the EB Committee.
                The actual number of Options granted and the number of Shares
                associated with such Options shall generally be based upon the
                Fair Market Value of the Shares and the amount of Compensation
                that the Participant agrees to forego.

                When any Participant enters into an Option Agreement, the
                Employer shall credit an account on its books on behalf of such
                Participant with an Employer Credit, in an amount equal to the
                Company Contribution associated with elective contributions to
                the Qualified Plan pursuant to a salary reduction agreement made
                by such Participant based on the amount of Compensation which
                has been foregone by such Participant in exchange for Options
                under the Plan. The Employer Credit does not create a beneficial
                ownership right to such amount for any Participant. The Employer
                Credit shall remain within the general assets of the Employer.
                The Employer Match shall not be payable to any particular
                Participant unless such Participant exercises an Option and then
                only to the extent that such amount is vested in accordance with
                Section 7 below.

                With regard to Options granted in replacement of a Participant's
                Prior Plan balance, the Employer Credit shall be 25% of the Fair
                Market Value of the shares optioned by such grant. The Employer
                Matching Contribution, which shall be equal to the Employer
                Credit in the case of such replacement Options, shall be granted
                to the Participant by the Employer only upon exercise of the
                Option. The vesting

                                                                               4

<PAGE>

                provisions in Section 7 below do not apply to this Employer
                Matching Contributions pertaining to such replacement Options.

                Employee Contributions and Employer Credits shall be tracked as
                separate sources of funds.

                Prior to each Plan Year or during the Plan Year as appropriate,
                each Participant shall designate how the Employer shall invest
                the amounts credited to such Participant's account on the
                Employer's books for the Plan Year. In making such designation,
                such Participant shall choose an investment option(s) from among
                mutual funds offered for the Plan by Fidelity Investments for
                all amounts credited to such Participant's account on the
                Employer's books, including earnings. Each Participant may
                change investment designations at any time prior to exercise of
                an Option.

          7.    Vesting of Employer Credit/Employer Matching Contribution. If a
                Participant does not exercise an Option, the Employer Credit in
                respect thereof shall not be available to such Participant, and
                such Participant shall not receive such Employer Matching
                Contribution. The Employer Matching Contribution shall become
                available only upon exercise and then only to the extent the (a)
                amounts are vested in accordance with the following schedule or
                (b) the exceptions in the subsequent paragraph apply.

                                         VESTING SCHEDULE
                                         ----------------

<TABLE>
<CAPTION>
                    Years of Service At Exercise Date        Contribution Amount Vested
                    ---------------------------------        --------------------------
<S>                                                          <C>
                             Less than 2                                 0%
                             2 but less than 3                          20%
                             3 but less than 4                          40%
                             4 but less than 5                          60%
                             5 or more                                 100%
</TABLE>

                The only exception to the application of the foregoing vesting
                schedule is that a Participant shall become fully vested in the
                amount of the Employer Credit when such Participant (i) attains
                age 55, (ii) becomes permanently and totally disabled as
                determined by the Employer in its sole discretion on the basis
                of competent medical evidence, (iii) dies, or (iv) there is a
                Change in Control as defined in Section 1 above.

                The Employer shall determine, upon exercise of an Option prior
                to one of the events described in the previous paragraph, what
                portion of the amounts credited to the books of the Employer on
                behalf of the Participant shall be forfeited, if any, in
                accordance with the vesting schedule of this Section 7.

                                                                               5

<PAGE>

         8.     Time of Grant of Options. The date of grant of an Option under
                ------------------------
                the Plan shall, for all purposes, be the date on which the EB
                Committee awards the Option, as evidenced by the execution of an
                Option Agreement. The EB Committee may delegate authority to
                grant and execute Option Agreements to any one or more
                individuals.

         9.     Option Price.  The option price for each Share shall be
                ------------
                expressed in each Option Agreement. The option price shall be
                calculated as a fixed dollar amount in accordance with the
                Option Agreement.

         10.    Exercise. Options granted under the Plan shall be vested and
                --------
                exercisable in accordance with the specific Option Agreement.
                The Option may be exercised in full following the Plan Year in
                which the Option was awarded at any time within a specified
                number of years as to be determined by the EB Committee in the
                Option Agreement. In addition, all Options granted under the
                Plan may only be exercised subject to any other terms specified
                in the Option Agreement.

                If a Participant is terminated for cause or is in violation of a
                noncompete agreement with the Employer, all Options granted to
                such Participant must be exercised within ninety (90) days from
                the date of termination or violation, or else such Options shall
                expire immediately following such 90th day.

                Upon death or disability of the Participant, any of such
                Participant's Options not exercised within one year after the
                date of death or disability shall thereupon expire. If a
                Participant dies following a termination of employment and while
                the Option was still exercisable, such Participant's exercise
                period shall not exceed one year after the date of his or her
                death.

                Upon death of a Participant, the Employer Matching Contribution
                for such Participant becomes immediately due and payable by the
                Employer, and may only be used to exercise such Participant's
                Options under this Plan.

                Upon exercise, the Employer shall make available to the
                Participant the Employer Matching Contribution, or if applicable
                lend to the Participant the exercise price, which represents the
                amount of the Employer Credit vested in accordance with the
                requirements of Section 7 of this Plan. Notwithstanding the
                provisions of Section 7 of the Plan, in the event of a
                Participant's termination for cause or violation of a noncompete
                agreement with the Employer, the Employer shall make available
                to such Participant the Employer Matching Contribution only to
                the extent vested as of the date of termination or the date of
                the violation of the noncompete agreement rather than the
                exercise date. The Employer Matching Contribution shall then be
                applied toward the exercise price of the Option(s).

         11.    Withholding of Taxes.  The EB Committee may make such provisions
                --------------------
                and take such actions as it may deem necessary or appropriate
                for the withholding of any

<PAGE>

               taxes which the Employer is required by any law or regulation of
               any governmental authority, whether federal, state, or local,
               domestic or foreign to withhold taxes in connection with any
               Option, including but not limited to (i) withholding of the
               issuance of all or any portion of such Shares until a Participant
               reimburses the Employer for the amount the Employer is required
               to withhold with respect to such taxes, (ii) canceling any
               portion of such issuance in an amount sufficient to reimburse
               itself for the amount it is required to so withhold, or (iii)
               taking any other action reasonably required to satisfy the
               Employer's withholding obligation.

          12.  Modification of Options. At any time, and from time to time, the
               -----------------------
               EB Committee may execute an instrument providing for
               modification, extension, or renewal of any outstanding Option,
               provided that no such modification, extension, or renewal shall
               reduce the value or in any way impair the exercisability of the
               Option without the consent of the holder of the Option.

         13.   Substitution of An Option.  If a Participant has been granted an
               -------------------------
               Option to purchase Shares under an Option Agreement, then, except
               as limited by the terms of the Option Agreement, the Participant
               may direct that the Option be converted into an Option to
               purchase other Shares which are mutually agreed upon between the
               Management Committee and the Participant. A participant may so
               substitute options on any day that the New York Stock Exchange is
               in operation. All substitutions of options will be recorded by
               Fidelity Investments, the recordkeeper of the Plan, and Fidelity
               Investments shall provide documentation to the Participant
               reflecting any substitutions. Any such substitution shall only be
               allowed to the extent that, immediately following the
               substitution, the difference between the Fair Market Value of the
               Shares subject to the replacement Option and the exercise price
               of the replacement Option is no greater than the difference which
               existed immediately prior to the substitution between the Fair
               Market Value of the Shares subject to the original Option and the
               exercise price of the original Option.

         14.   Administration of the Plan. The EB Committee or its designee, in
               --------------------------
               its or such designee's sole discretion, and based on
               recommendations received from time to time by appropriate
               officials of the Employer, is authorized to select the Employees
               who will receive Options and to determine the number of Options
               and the number of Shares under each Option. The EB Committee, in
               its sole discretion, is authorized to interpret the Plan, to
               prescribe, amend, and rescind rules and regulations relating to
               the Plan and to the Options granted under the Plan, to determine
               the form and content of Options to be issued under the Plan, and
               to make such other determinations and exercise such other power
               and authority as may be necessary or advisable for the
               administration of the Plan.

         15.   Continued Employment Not Presumed.  Nothing in this Plan or any
               ---------------------------------
               descriptive or related document, nor the grant of an Option via
               an Option Agreement, shall give any Participant the right to
               continue in employment with the Employer or affect the

<PAGE>

                right of the Employer to terminate the employment of any such
                person with or without cause.

         16.    Amendment and Termination of the Plan. The Management Committee,
                --------------------------------------
                in its sole discretion, may suspend or discontinue the Plan at
                any time. The Management Committee, in its sole discretion, may
                alter the Plan at any time. No suspension, discontinuance, or
                alteration of the Plan shall impair the rights of any
                Participant except to the extent necessary to comply with any
                provision of federal or applicable state laws.

         17.    Governing Law.  The Plan shall be governed by and construed in
                -------------
                accordance with the laws of the State of Delaware.

         18.    Severability of Provisions. Should any provision of the Plan be
                --------------------------
                determined to be invalid, illegal or unenforceable, such
                invalidity, illegality or unenforceability shall not affect the
                remaining provisions of the Plan, but shall be fully severable,
                and the Plan shall be construed and enforced as if such
                provision had never been inserted herein.

         IN WITNESS WHEREOF, the Employer has caused the Plan to be executed by
         its duly authorized agent this _____ day of March, 2001.

         UNITED DEFENSE, L. P.
                                             By:  ______________________________

                                             Title: ____________________________

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