Document:

<PAGE>

                                                                   Exhibit 10.17

[LOGO] UNITED STATES POSTAL SERVICE

<TABLE>
<S>                                      <C>
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                                 AMENDMENT TO TRANSPORTATION SERVICES CONTRACT
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                                           1. AMENDMENT PURSUANT TO:
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a. CONTRACT NO.       b. AMENDMENT NO.   c. EFFECTIVE DATE      d. BEGIN CONTRACT TERM   e. END CONTRACT TERM
                                            November 30, 2002      August 27, 2001          August 27, 2006
SNET-01-GLR                    3
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f. FOR MAIL SERVICE   CITY & STATE                              CITY & STATE
   IN OR BETWEEN      Various Airstops in Great Lakes Area
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                                                 2. CONTRACTOR
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a. NAME AND ADDRESS OF CONTRACTOR                               b. SOCIAL SECURITY/TAXPAYER IDENTIFICATION NO.

Evergreen Aviation Ground Logistics Enterprises, Inc.           93-0876736
3850 Three Mile Lane
McMinnville, OR 97128
                                                                ----------------------------------------------
                                                                c. TELEPHONE NO.
                                                                   503-472-9361
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                                          3. DESCRIPTION OF AMENDMENT
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This amendment is issued to effect a temporary change in the contract rate of payment of the operations for
the holiday This amendment is issued to effect a temporary change in the contract rate of payment of the
operations for the holiday mailing season for terminal handling of dedicated aircraft and rollerbed service.
The period of performance is November 30, 2002 through December 25, 2002. Based on the schedules and workscope
already provided to the supplier, the supplier will provide additional personnel and hours as detailed in
Statement of Work and attachments to support the 2002 holiday mailing season (including CNET, CNI, XSEGS,
Dial-A-Planes). Additional staffing requirements significantly above the current workscope may result in
pass-through costs as agreed upon by the Postal Service. The USPS Administrative Official must approve any
additional staffing. The supplier will provide the same terminal handling services for this holiday mailing
season as it does under the SNET-01-GLR contract.

The contracting officer agrees to the following payment schedule:
December 6, 2002 - Facilities Lease costs and equipment costs
December 13, 2002 - 20% of the total cost
December 27, 2002 - 20% of the total cost
January 10, 2003 - 20% of the total cost
January 27, 2003 - Balance of total cost (excluding adjudication amounts)

  CNET    = $  699,362.66
  CNI Hub = $5,376,755.21
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Total Cost: $6,076,117.87

The supplier and contracting officer agree that 10% of total cost of contract will be withheld upon
adjudication of irregularities.

All other terms and conditions of the contract remain unchanged.

Except as provided herein, all terms and conditions of the contract described in block 1 remain unchanged and
in full force and effect.
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4. The parties have caused this amendment to be executed, effective the date set forth in block 1c.
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                     PRINCIPAL                                 U.S. POSTAL SERVICE
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/s/ Brian Bauer                                12/12/02
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(Signature of person authorized to sign)         Date        (Signature of Contracting Officer)       Date

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NAME AND TITLE OF SIGNER                                NAME AND TITLE OF CONTRACTING OFFICER
Brian Bauer                                             Marilyn R. Davis
President                                               Purchasing Specialist/Contracting Officer
Evergreen EAGLE

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</TABLE>

PS FORM 7406, November 1994<PAGE>

                                                                   Exhibit 10.18

[LOGO] UNITED STATES POSTAL SERVICE   Amendment to Transportation
                                      Services Contract

<TABLE>
<S>                                       <C>
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Part I - Amendment pursuant to
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1a. Contract No.    1b. Amendment No.     1c. Effective Date     1d. Begin Contract Term     1e. End Contract Term

    SNET-01-PR          01 (Page 1 of 4)      08/27/2001             08/27/2001                  08/26/2006

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1f. For Mail service    City & State                                                   City & State
    in or between         Pacific Area Air stops                                LAX, ONT, SAN, OAK, SMF, HNL
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Part II - Contractor
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2a. Name and address of contractor (street, city, state, and Zip___)   2b. Social Security Number or Taxpayer ID No.
Evergreen Aviation Ground Logistics Enterprises Inc. (EAGLE)
EVERGREEN EAGLE                                                                          93-0876736
                                                                      ------------------------------------------------
3850 Three Mile Lane                                                  2c. Telephone (Area code and number)

McMinnville, OR 97128-9496                                                              503 472-9361
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Part III - Description of amendment
Add to Section G Special Clauses:
G.12. Ninety-day Baselines

a.   The Postal Service and the supplier agree that during the first ninety days after the start of contract
     operations or subsequent time as mutually agreed, they will jointly analyze the operations to determine baselines
     for work hours, equipment, and productivity (work hours per mail volume).

     If the ninety-day baselines indicate a higher productivity, or a lower usage of work hours or equipment than
     those upon which the supplier based its proposal, then:

     i.   the initial contract award price will not be reduced; however,

     ii.  the 90-day baselines will serve as benchmarks for determining the amount of future price increases to which
          the supplier is entitled, as set forth in paragraph c.

c.   In the event that the Postal Service increases mail volumes in excess of the baselines set forth in paragraph a.
     of clause G.13 of the contract, or makes a change to the contract which increases the supplier's costs, the
     supplier will be entitled to a price adjustment only for the costs that are in excess of the work hours or
     equipment costs upon which it based its proposal ("the proposal figures") or established baselines, whichever is
     the higher base. The supplier will not be entitled to a price increase attributable to the increase in work hours
     or equipment costs from the ninety-day baselines, up to the proposal figures.

d.   If the ninety-day baselines indicate a lower productivity, or a higher usage of work hours or equipment than
     those upon which the supplier based its proposal, then no upward price adjustment will be made that would have
     the effect of correcting an error in the original proposal. The baselines established in G.12.a. will only be
     used to reflect changed conditions occurring after they are established.

Except as provided herein, all terms and conditions of the contract described in Part I remain unchanged and in full
force and effect. The parties hereunder have caused this amendment to be executed, effective the date set forth in Part
III.

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Contractor                                                   U.S. Postal Service
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Signature of person authorized sign and date                 Signature of contracting officer and date

/s/ Brian Bauer                                10/4/01       /s/ Cheryl R. Brazil                            10/12/01
-------------------------------------------------------      ---------------------------------------------------------
Signature                                       Date         Signature                                         Date

BRIAN BAUER                                   PRESIDENT      Cheryl R. Brazil                    Purchasing Spec./C.o.
Name and title of person authorized to sign                  Name and title of contracting officer
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</TABLE>

PS Form 7406, June 1990

<PAGE>

[LOGO] UNITED STATES POSTAL SERVICE   Amendment to Transportation
                                      Services Contract

<TABLE>
<S>                                       <C>
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PART I - Amendment pursuant to
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1a. Contract No.    1b. Amendment No.     1c. Effective Date     1d. Begin Contract Term     1e. End Contract Term

    SNET-01-PR          01 (Page 2 of 4)      08/27/2001             08/27/2001                  08/26/2006

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1f. For Mail service    City & State                                                   City & State
    in or between         Pacific Area Air stops                                LAX, ONT, SAN, OAK, SMF, HNL
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Part II - Contractor
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2a. Name and address of contractor (street, city, state, and Zip___)  2b. Social Security Number or Taxpayer ID No.
Evergreen Aviation Ground Logistics Enterprises Inc. (EAGLE)
EVERGREEN EAGLE                                                                          93-0876736
                                                                      ------------------------------------------------
3850 Three Mile Lane                                                  2c. Telephone (Area code and number)

McMinnville, OR 97128-9496                                                              503 472-9361
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Part III - Description of amendment
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G.13. Price Increases Due to Increases in Mail Volumes

a.   The supplier will be entitled to a price adjustment for increases in the volume of mail handled under the
     contract only to the extent that the volume for a scheduled period (not to exceed six times per year) is more
     than 120 percent of the respective average daily volume in pounds listed for the respective site in Attachment A,
     or requires more than 110 percent times the number of containers listed for the respective site in Attachments D
     and E to the Request for Proposals.

b.   To the extent that mail volumes exceed the baselines set forth in paragraph a. of this clause, and the supplier's
     costs have increased, paragraph c. of Clause G.12, above, will apply to the determination of any price increase.
     Additionally, in requesting such increase, the supplier agrees that it will base its request upon the same or
     higher level of productivity (work hours per mail volume) as the ninety-day productivity baseline. See Clause G.
     12.a.

G.14. Procedure for Contract Renewal

     This contract shall commence on August 27, 2001 and shall expire after the handling of the last tender of
     shipments on August 26, 2006. In accordance with clause B.5, the contract term may be renewed for three
     consecutive one-year periods. Not later than ten months prior to the then-current expiration date, the parties
     shall commence discussions with a view to renewing the contract. The parties shall agree not later than six
     months prior to the expiration of the then-current expiration date whether to renew the contract.

G.15. Ceiling on Termination for Convenience Costs

a.   In the event that the Postal Service terminates this contract for convenience prior to its expiration date, as
     that date may be extended, the supplier's total termination costs shall be determined in accordance with the
     Termination for Convenience clause of this contract. However, the supplier agrees that the total maximum
     termination costs to which it is entitled shall be limited to an amount no greater than the total of the contract
     price of completed services, plus:.

Except as provided herein, all terms and conditions of the contract described in Part I remain unchanged and in full
force and effect. The parties hereunder have caused this amendment to be executed effective the date set forth in Part
III.

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Contractor                                                   U.S. Postal Service
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Signature of person authorized sign and date                 Signature of contracting officer and date

/s/ Brian Bauer                                 10/4/01      /s/ Cheryl R. Brazil                             10/12/01
-------------------------------------------------------      ---------------------------------------------------------
Signature                                         Date       Signature                                          Date

BRIAN BAUER                                   PRESIDENT      Cheryl R. Brazil                     Purchasing Spec./C.o.
Name and title of person authorized to sign                  Name and title of contracting officer
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</TABLE>

PS Form 7406, June 1990

<PAGE>

[LOGO] UNITED STATES POSTAL SERVICE   Amendment to Transportation
                                      Services Contract

<TABLE>
<S>                                       <C>
----------------------------------------------------------------------------------------------------------------------
Part I - Amendment pursuant to
----------------------------------------------------------------------------------------------------------------------
1a. Contract No.    1b. Amendment No.     1c. Effective Date     1d. Begin Contract Term     1e. End Contract Term

    SNET-01-PR        01 (Page 3 of 4)          08/27/2001                08/27/2001                  08/26/2006
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1f. For Mail service        City & State                                           City & State
    in or between             Pacific Area Air stops                       LAX, ONT, SAN, OAK, SMF, HNL
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Part II - Contractor
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2a. Name and address of contractor (street, city, state, and zip___)  2b. Social Security Number or Taxpayer ID No.
Evergreen Aviation Ground Logistics Enterprises Inc. (EAGLE)
EVERGREEN EAGLE                                                                        93-0876736
                                                                      ------------------------------------------------
3850 Three Mile Lane                                                  2c. Telephone (Area code and number)

McMinnville, OR 97128-9496                                                            503 472-9361
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Part III - Description of amendment

          i.   eighty percent of the supplier's total annual facilities and equipment costs, with mark-ups for G&A and
               profit, if the effective date of termination is from August 2001 through July 2002; or

          ii.  seventy percent of the supplier's total annual facilities and equipment costs, with mark-ups for G&A
               and profit, if the effective date of termination is from August 2002 through July 2003; or

          iii. sixty percent of the supplier's total annual facilities and equipment costs, with mark-ups for G&A and
               profit, if the effective date of termination is from August 2003 through July 2004; or

          iv.  thirty percent of the supplier's total annual facilities and equipment costs, with mark-ups for G&A and
               profit, if the effective date of termination is from August 2004 through July 2005; or

          v.   ten percent of the supplier's total annual facilities and equipment costs, with mark-ups for G&A and
               profit if the effective date of termination is from August 2005 through July 2006.

b.   In the event that the Postal Service terminates for convenience an individual contract site, but does not
     terminate the entire contract, the supplier agrees that the total maximum termination costs to which it will be
     entitled will be no greater than the amount of the supplier's total annual facilities and equipment costs for the
     terminated site, in accordance with the same percentages and schedule as set forth in paragraph a. of this
     clause, plus the contract price of completed services.

If the Postal Service terminates a contract site or sites or in its entirety, the Postal Service and supplier will
jointly determine the disposition of equipment. Any salvage value or other benefits the supplier derives from the
disposition of equipment will offset any termination for convenience costs for which the Postal Service is liable.

Except as provided herein, all terms and conditions of the contract described in Part I remain unchanged and in full
force and effect. The partners hereunder have caused this amendment to be executed, effective the date set forth in
Part III.

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Contractor                                                   U.S. Postal Service
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Signature of person authorized to sign and date              Signature of contracting officer and date

/s/ Brian Baver                                 10/4/01      /s/ Cheryl R. Brazil                             10/12/01
-------------------------------------------------------      ---------------------------------------------------------
Signature                                        Date        Signature                                          Date

BRAIN BAVER                                10/4/01           Cheryl R. Brazil                    Purchasing Spec./C.o.
Name and title of person authorized to sign                  Name and title of contracting officer
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</TABLE>

PS Form 7406, June 1990

<PAGE>

[LOGO] UNITED STATES POSTAL SERVICE   Amendment to Transportation
                                      Services Contract

<TABLE>
<S>                                       <C>
----------------------------------------------------------------------------------------------------------------------
Part I - Amendment pursuant to
----------------------------------------------------------------------------------------------------------------------
1a. Contract No.    1b. Amendment No.     1c. Effective Date     1d. Begin Contract Term     1e. End Contract Term

    SNET-01-PR        01 (Page 4 of 4)          08/27/2001                08/27/2001                  08/26/2006
----------------------------------------------------------------------------------------------------------------------
1f. For Mail service        City & State                                           City & State
    in or between             Pacific Area Air stops                       LAX, ONT, SAN, OAK, SMF, HNL
----------------------------------------------------------------------------------------------------------------------
Part II - Contractor
----------------------------------------------------------------------------------------------------------------------
2a. Name and address of contractor (street, city, state, and zip___)  2b. Social Security Number or Taxpayer ID No.
Evergreen Aviation Ground Logistics Enterprises Inc. (EAGLE)
EVERGREEN EAGLE                                                                        93-0876736
                                                                      ------------------------------------------------
3850 Three Mile Lane                                                  2c. Telephone (Area code and number)

McMinnville, OR 97128-9496                                                            503 472-9361
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Part III -- Description of amendment

G.16 Additional Facilities and/or Equipment

     If the supplier is required to lease or purchase additional facilities and/or equipment to support expanded
     operations during the term of the contract, the following will apply:

     1) The supplier must provide notice to the Postal Service regarding the additional facility and/or equipment
     requirement.

     2) The cost including termination for convenience cost of the equipment and/or equipment will be negotiated
     between the Postal Service and the supplier at the time of the contract modification.

Change B.8.k. Scanning to read as follows:

The THS is responsible to perform the scanning of mail or equipment, once scanning equipment is procured by the USPS.
The THS should be aware that the THS may be required to scan mail being loaded into and unloaded from all containers.
The requirement may encompass the loading and unloading of air or surface containers or both, as well as empty
equipment. The THS will also be responsible for printing Dispatch and Routing (D&R) labels to be affixed to Unit Load
Device (ULD) placards. The THS will follow instructions as provided in the attached Memorandum of Understanding,
Version 1.0, dated August 21, 2001, regarding the use of USPS Label Printing Equipment and the Surface-Air Management
System (S-AMS) software. The THS will be responsible for the security of all computer-related equipment and scanners
that are associated with this label printing and scanning requirement It is agreed that the cost of label printing and
scanning (excluding equipment, associated supplies, and maintenance of equipment) is included in the awarded contract
price.

Except as provided herein, all terms and conditions of the contract described in Part I remain unchanged and in full
force and effect. The parties hereunder have caused this amendment to be executed, effective the date set forth in
Part III.

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Contractor                                                   U.S. Postal Service
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Signature of person authorized to sign and date              Signature of contracting officer and date

/s/ Brian Bauer                                 10/4/01      /s/ Cheryl R. Brazil                             10/12/01
-------------------------------------------------------      ---------------------------------------------------------
Signature                                        Date        Signature                                          Date

BRAIN BAUER                                10/4/01           Cheryl R. Brazil                    Purchasing Spec./C.o.
Name and title of person authorized to sign                  Name and title of contracting officer
-------------------------------------------------------      ---------------------------------------------------------
</TABLE>

PS Form 7406, June 1990

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