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                                                                    EXHIBIT 10.7

                       ADMINISTRATIVE SERVICES AGREEMENT

This Administrative Services Agreement ("Agreement") is entered into this 7th
day of August, 1996 between Teleglobe Inc., a Canada Business Corporation
("TELEGLOBE"), and Teleglobe Mobile Partners, a Delaware general partnership
("TMP").


                                   WITNESSETH

WHEREAS Orbital Sciences Corporation, Orbital Communications Corporation
("ORBCOMM"), TELEGLOBE and TMP have entered into agreements for the development,
construction, operation and marketing of a global digital satellite
communications system of low-Earth orbit satellites and terrestrial facilities
intended to provide two-way data and message communications and position
determination services throughout the world (the "ORBCOMM System") and related
activities in connection therewith; and

WHEREAS TMP desires to enter into this Agreement with TELEGLOBE for the purpose
of having TELEGLOBE perform on behalf of TMP the services set forth herein in
accordance with the terms and conditions hereof

NOW THEREFORE, in consideration of the covenants and agreements contained
herein, and for good and valuable consideration, the receipt and sufficiency of
which is hereby acknowledged, the parties hereto agree as follows:


a)   SERVICES TO BE PROVIDED

     (i)  TELEGLOBE Services

          Teleglobe shall provide to TMP the services specified in Schedule 1
          hereto (the "Services") and will charge back TMP for said Services,
          as set forth in Schedule 1, attached hereto.

     (ii) Manner of Furnishing Services

          TELEGLOBE shall render and perform the Services as an independent
          contractor in accordance with its own standards for furnishing such
          services to itself or its subsidiaries at the time the Services are
          provided, subject to the provisions of this Agreement and with all
          applicable governmental laws, rules and regulations.  Notwithstanding
          the foregoing, in providing the Services, TELEGLOBE and its
          directors, officers and employees shall not be responsible, or have
          any liability, for the accuracy, completeness or timeliness of any
          advice or service or any report, filing or other document that it or
          any of them provides, prepares or assists in preparing, except to the
          extent that any inaccuracy, incompleteness or untimeliness arises
          from the gross negligence or willful misconduct of TELEGLOBE and its
          directors, officers and employees from and against any and all
          damage, cost, loss, liability and expense (including reasonable
          attorney's fees) in connection with any



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          and all actions or threatened actions arising out of the performance
          of the Services, except in circumstances where the party who would
          otherwise be indemnified hereunder has not met the standard of care
          described in the preceding sentence.  In no event shall TELEGLOBE
          or its directors, officers or employees be liable for any indirect,
          special or consequential damages in connection with or arising out
          of the performance of the Services.

b)   TERM OF AGREEMENT

    Term of this Agreement shall be deemed to have commenced on June 30, 1994,
    and shall continue so long as any of the categories of Services is provided
    by TELEGLOBE to TMP (the "Term"); provided that TMP shall have the right to
    terminate the provision by TELEGLOBE of any or all of the categories of
    Services upon furnishing TELEGLOBE ninety (90) days prior written notice and
    provided, further, that the parties hereto acknowledge and agree that no
    monies shall be due and owing hereunder or shall be paid after August 7,
    1996 for any Services rendered prior to such date other than for Services
    that have already been invoiced as of such date in an amount not to exceed
    CND$ 50,000.


c)  PAYMENT TERMS

    (i)  Payment Date
    
         Within fifteen (15) days after the end of each calendar month,
         TELEGLOBE shall invoice TMP for those Services provided by TELEGLOBE
         to TMP during the preceding month, together with any unbilled or
         unpaid charges for any prior month. Such invoice shall set forth in
         detail information supporting the amount of such invoice and shall be
         due and payable by TMP within thirty (30) days of receipt thereof by
         TMP.
    
    (ii) Maintenance of Records
    
         TELEGLOBE shall maintain those records necessary to support the amount
         set forth on its invoices.
    
    
d)  MISCELLANEOUS

    (i)  Notices

         All notices given under this Agreement must be in writing and sent by
         hand delivery, by overnight courier or by facsimile transmission
         (answerback received), to:

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          TMP

          Teleglobe Mobile Partners
          C/O the Managing Partner
          Teleglobe Mobile Investment Inc.
          1000 de La Gauchetiere Street West
          Montreal (Quebec)
          H3B 4X5

          Facsimile: (514) 868-7719
          Attention: Treasurer

          TELEGLOBE

          Teleglobe Inc.
          1000 de La Gauchetiere Street West 
          Montreal (Quebec)
          H3B 4X5

          Facsimile:  (514) 868-7438
          Attention:  Corporate Secretary


          or to such other persons or addresses as either party may designate by
          written notice to the other. All such notices sent to either party
          shall be effective on the date of actual receipt.

    (ii)  Binding Effect; Assignment

          This Agreement shall be binding upon the parties and their permitted
          successors and assigns. Neither this Agreement nor any interests or
          obligations hereunder shall be assigned or transferred (by operation
          of law or otherwise) to any person without the prior consent of the
          other party.

    (iii) Entire Agreement

          This Agreement and all attachments (which are hereby made part of this
          Agreement) contain the entire understanding between the parties and
          supersede all prior written and oral understandings relating to the
          subject hereof. No representations, agreements, modifications or
          understandings not contained herein shall be valid or effective unless
          agree to in writing and signed by both parties. Any modification or
          amendment of this Agreement must be in writing and signed by both
          parties.

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     (iv) Governing Law

          The construction, interpretation and performance of this Agreement, as
          well as the legal relations of the parties arising hereunder, shall be
          governed by the and construed in accordance with the laws of the
          Province of Quebec and applicable laws of Canada, without giving
          effect to the conflict or choice of law provisions thereof. Neither
          party may bring any action for a claim under this Agreement later than
          one (1) year after the termination or expiration of this Agreement.

     (v)  Waiver

          It is understood and agreed that no failure or delay by either party
          in exercising any right, power or privilege hereunder shall operate as
          a waiver thereof, nor shall any single or partial exercise thereof
          preclude any other or further exercise conditions of this Agreement
          shall be deemed to be a waiver of any subsequent breach of any
          conditions of any term or condition. All waivers must be in writing
          and signed by the party sought to be bound.

     (vi) Severability

          If any part of this Agreement shall be held invalid or unenforceable,
          such determination shall not affect the validity or enforceability of
          any remaining portion, which shall remain in force and effect as if
          this Agreement had been executed with the invalid or unenforceable
          portion thereof eliminated.

    (vii) Headings

          Headings in this Agreement are included for convenience of reference
          only and shall not constitute a part of this Agreement for any other
          purpose.

IN WITNESS WHEREOF, the parties have caused this Administrative Services
Agreement to be executed as of the day and year first above written.

                                 TELEGLOBE INC.

                                 By: /s/ FRANCOIS LAURIN                 
                                    -------------------------------      
                                    Name:  Francois Laurin
                                    Title: Vice-President, Finance and
                                           Controller


                                 TELEGLOBE MOBILE PARTNERS 
                                 (by its Managing Partner Teleglobe Mobile 
                                 Investment Inc.)


                                 By: /s/ ANDRE BOURBONNAIS
                                    -------------------------------
                                    Name:  Andre Bourbonnais
                                    Title: Secretary


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                             SCHEDULE 1 - SERVICES



Upon the request of TMP from time to time, TELEGLOBE shall provide management
services such as accounting services, legal advice and technical support to
TMP for the ORBCOMM System.

In consideration of the provision of the Services by TELEGLOBE to TMP, TMP
shall reimburse TELEGLOBE the following expenses incurred by TELEGLOBE:

a)   any direct out-of-pocket expenses incurred in connection with the
     provision of the Services such as:

     (i)  travel and accommodation expenses of TELEGLOBE's employees or
          representatives for necessary business trips made for the provision
          of the Services;

     (ii) professional fees and disbursements of external experts such as
          outside legal counsels, accountants and other professionals from
          whom TELEGLOBE has retained the services for the provision of the
          Services; and

    (iii) cost of any office supply or material used by TELEGLOBE for the
          provision of the Services; and

b)   total remuneration (salary and fringe benefits) of TELEGLOBE's employees
     directly affected to the provision of the Services.

Except for such reimbursement of the expenses incurred by TELEGLOBE, no other
compensation or remuneration shall be payable to TELEGLOBE by TMP pursuant to
this Administrative Services Agreement.


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