CAPACITY LEASE AGREEMENT November 26, 2001

Exhibit 10.57

MOBILE SATELLITE VENTURES (CANADA) INC.

- and –

3051361 NOVA SCOTIA UNLIMITED LIABILITY COMPANY

CAPACITY LEASE AGREEMENT

November 26, 2001

Osler, Hoskin & Harcourt LLP

TABLE OF CONTENTS

(continued)

-ii-

TABLE OF CONTENTS

(continued)

- iii -

CAPACITY LEASE AGREEMENT

THIS LEASE AGREEMENT dated as of November 26, 2001

BETWEEN:

MOBILE SATELLITE VENTURES (CANADA) INC., a corporation incorporated under the laws of Ontario

(“Canadian License Co.”)

- and-

3051361 NOVA SCOTIA UNLIMITED LIABILITY COMPANY, an unlimited liability company governed by the laws of Nova Scotia

(“Newco”)

RECITALS:

THEREFORE in consideration of the mutual covenants contained herein the Parties agree as follows:

ARTICLE 1

DEFINITIONS AND PRINCIPLES OF INTERPRETATION

In this Lease, the following words and terms shall have the meanings set out below:

“ Authorizations ” means any of the Spectrum Licenses, the satellite orbital slot(s) authorizations granted by Industry Canada to Canadian License Co., and such other approvals as are either currently held or required to be held by Canadian License Co. in order to conduct its business and to operate the Satellite System.

“ Balance ” means the right to use that portion of the Spectrum Capacity and Satellite Capacity which is not utilized by Canadian License Co. for the purposes of fulfilling its Other Obligations.

“ Business Day ” means a day, other than a Saturday or Sunday, on which the principal commercial banks located at the City of New York, New York are open for business during normal banking hours.

“ Effective Date ” means the date this Lease is made between the Parties.

“ Encumbrances ” means any charge, lien, interest or encumbrance of whatsoever nature or kind.

“ End User ” means an individual or entity purchasing radiocommunication services (including satellite services) from Newco.

“ Existing Satellite System ” means the Facilities, the Unowned Assets, and the Underlying Rights, all of which are held by Canadian License Co. and includes any expansion, extension, alteration, reconfiguration or reduction of such system, but does not include any Next Generation Satellite System.

“Extension Term” has the meaning set out in Section 14.2 of this Agreement.

“ Facilities ” means the radio apparatus, switches, satellite(s), satellite equipment, service and feeder links, L- Band transceiver equipment, transponder and any other equipment, including portions of any of the foregoing that form a part of the Existing Satellite System or the Next Generation Satellite System, as the case may be.

“ Government of Canada ” means Her Majesty the Queen in Right of Canada.

“ Indemnifying Party ” has the meaning set out in Section 9.1 of this Agreement.

“ Industry Canada ” means the agency of the federal government of Canada which, among other things, issues licenses for the use of radio frequency spectrum in Canada, or successor agency or department thereto.

“ Lease ” means this Lease including all Schedules attached to this Lease, all as amended from time to time pursuant hereto.

“ Lease Payments ” has the meaning set out in Section 3.1 of this Lease.

- 2 -

“ Lease Supplement ” means an agreement entered into by the Parties pursuant to the terms of Section 5.2 of this Lease.

“ Marks ” means all service marks, trademarks, and trade names used by a Party on or in connection with the provision of service under this Lease or in the provision of services (including satellite services) either domestically or internationally.

“ Next Generation Satellite System ” means the Facilities, the Unowned Assets, and the Underlying Rights held by Canadian License Co. in any future satellite system in which Canadian License Co. acquires an interest.

“ New Services ” has the meaning set out in Section 7.1 of this Agreement.

“ Notice ” has the meaning set out in Section 18.1 of this Agreement.

“ Other Obligations ” means the obligations which Canadian License Co. must fulfil at the Effective Date in relation to its Government Telecommunications and Information Services contract with the Government of Canada and, during the Term of the lease, in relation to: 1) the terms and conditions of its Authorizations; and 2) any Canadian end-user customers who, regardless of where such customers are located in Canada, have been unable to obtain services from Newco on non-discriminatory terms and conditions that are customary within the industry.

“ Parties ” means Canadian License Co. and Newco, and “ Party ” means any one of them.

“ Rights ” has the meaning set out in Section 13.1 of this Lease.

“ Satellite Capacity ” means the current satellite capacity of Canadian License Co.’s Existing Satellite System or any future capacity of any Next Generation Satellite System in which Canadian License Co. acquires an interest, as the case may be.

“Satellite System ” means the Existing Satellite System and any Next Generation Satellite System in which Canadian License Co. acquires an interest.

“ Specifications ” means the design, specifications and operating parameters for the Existing Satellite System as more particularly set out in Schedule “A”, and the Next Generation Satellite System, as may be set out in Schedules from time to time.

“Spectrum Capacity” means the current radio spectrum that has been granted by Authorization to Canadian License Co. by Industry Canada for use in conjunction with the Existing Satellite System and any radio spectrum that may be granted by Authorization to Canadian License Co. by Industry Canada in the future for use in conjunction with Canadian License Co’s Existing Satellite System, or in conjunction with any Next Generation Satellite System in which Canadian License Co. acquires an interest, as the case may be.

- 3 -

“ Spectrum Licenses ” means the radio spectrum granted by Industry Canada to Canadian License Co. from time to time.

“ Term ” is as defined in Section 14.1 of this Lease.

“ Underlying Rights ” means all interconnection agreements, building access agreements, roof-top leases, easements, leases, licenses of occupation, rights-of-way, permits or other similar rights held, owned or acquired, or which shall be held, owned or acquired, by Canadian License Co. from third parties with respect to the Spectrum Licenses in the Existing Satellite System or the Next Generation Satellite System, as the case may be.

“ Unowned Assets ” means all equipment and other infrastructure related thereto which are not owned by Canadian License Co. but in respect of which Canadian License Co. acquires rights from time to time in connection with the Spectrum Licenses in the Existing Satellite System or the Next Generation Satellite System, as the case may be.

Newco and Canadian License Co. acknowledge and agree that they will act in good faith in carrying out the spirit and intent of this Lease and will do all things and take all steps as may reasonably be required to give effect to their obligations under this Lease.

Article and section headings are inserted for convenience of reference only and are not to be considered part of the actual terms of this Lease.

The Schedules to this Lease, as listed below, are an integral part of this Lease. The Parties agree that Schedules may be added from time to time and each new Schedule shall be incorporated into, and form an integral part of, this Lease.

Schedule “A” - Specifications.

Whenever a provision of this Lease requires an approval or consent by a Party and notification of such approval or consent is not delivered within the applicable time limit, then, unless otherwise specified, the Party whose consent or approval is required shall be conclusively deemed to have withheld its consent or approval.

- 4 -

Unless otherwise specified, time periods within or following which any payment is to be made or any act is to be done shall be calculated by excluding the day on which the period commences and including the day which ends the period and by extending the period to the next Business Day following if the last day of the period is not a Business Day.

Whenever any payment to be made or any action to be taken under this Lease is required to be made or taken on a day other than a Business Day, such payment shall be made or action shall be taken on the next Business Day following.

Any obligation of a Party to this Lease is deemed to be a covenant of that Party.

ARTICLE 2

DEMISE AND LEASE

- 5 -

ARTICLE 3

CONSIDERATION

In consideration for this Lease of the Balance and access to and use of the Satellite System and the other rights granted by Canadian License Co. to Newco herein, Newco agrees to make lease payments (the “Lease Payments”) to Canadian License Co. in an amount to be set by the Parties from time to time based on a number of factors, including the proportion of the Balance utilized by Newco, the fair market value of the Balance as determined on an arm’s length basis which the Parties agree shall be equal to no more than cost plus a reasonable margin, not to exceed ten per cent (10%), or any other rights granted by Canadian License Co. to Newco under this Lease.

The Lease Payments shall be payable by Newco in advance on the first Business Day of January, April, July and October in each year. Newco shall have the right to set off any Lease Payments payable hereunder against any amounts as may be owed to Newco by Canadian License Co.

- 6 -

In addition to the Lease Payments, Newco shall pay all sales taxes payable in connection with this Lease.

ARTICLE 4

THE SATELLITE SYSTEM

The Parties acknowledge and agree that as and between themselves:

- 7 -