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Exhibit 10.56

FOURTH AMENDMENT TO LEASE

        THIS FOURTH AMENDMENT TO LEASE ("Amendment") effective as of November 1,
2007 by and between Aerospace/Defense, Inc., a South Carolina corporation
(hereinafter call the "Landlord") and Force Protection Industries, Inc. and
Force Protection, Inc., Nevada corporations (collectively, the "Tenant").

RECITALS

        A.    By Industrial Lease effective as of July 13, 2004, the Landlord
leased unto Tenant certain premises within Building No. 2 situated in an
industrial project (the "Project") located in Ladson (Charleston County), South
Carolina which instrument was amended by Letter executed on July 18, 2006 and by
Second Amendment to Lease effective as of February 1, 2007 (the "Second
Amendment") and by Third Amendment to Lease effective as of July 1, 2007 (the
"Third Amendment"). The Industrial Lease as amended by the July 18, 2006 Letter,
the Second Amendment and the Third Amendment shall hereinafter be referenced as
the "Lease." By the execution of this Amendment, the parties intend to amend the
Lease. Each capitalized term used and not otherwise defined or modified herein
shall have the meaning ascribed thereto in the Lease.

        B.    At the request of the Tenant, the Landlord has agreed to modify
the term "Premises" as follows:

        1.     Adding the area marked "Tank Farm Area" shown and cross-hatched
on Exhibit A to this Amendment (an area of approximately 80' × 100' situated to
the south and adjacent to Building No. 2) to Paragraph 1(a) of the Lease, which
Tank Farm Area is hereby added to the definition of "Premises" which area is
comprised of the following:

(a)The "Tank Farm Area"; and

(b)The existing tank farm consisting of the following:

(i)Two (2) tanks of approximately 50,000 gallons each;

(ii)One (1) tank of approximately 10,000 gallons (together with the two tanks
referenced in subsection (i) above the "Existing Tanks");

(iii)Containment area surrounding the Existing Tanks (the "Containment Area");

(iv)Pump House shown on Exhibit A as "Pump House";

(v)Truck dock shown on Exhibit A as "Truck Dock" with sump pump located therein
(the sump pump together with the truck dock are hereinafter collectively
referred to as the "Truck Dock"; and

(vi)Pump and existing piping and other equipment located within the Pump House,
and piping, gauges and the like directly associated with the Existing Tanks (the
pump, associated piping, equipment, gauges, etc. are hereinafter referred to as
the "Existing Tank Farm Equipment," together with the Containment Area, the
Truck Dock and the Existing Tanks, the "Existing Tank Farm").

The Tenant intends to construct (at its sole cost and expense and without
contribution from the Landlord) a containment area (described on the plans
marked Exhibit A-1), install several tanks, pumps, piping and associated
equipment with the new tanks within the Tank Farm Area (adjacent the Existing
Tank Farm) in an area shown as "New Tank Farm" on Exhibit A-2 (collectively, the
"New Tank Farm").

        2.     Adding to the definition of Premises a building containing
approximately 2,040 square feet measuring approximately 51' × 40' located to the
south of Building No. 2 and to the east of

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the Tank Farm Area and shown and delineated on Exhibit B as the "Dyno Building"
upon which the Tenant intends to install machinery to test vehicles
constructed/assembled in Building No. 2. (For clarification, the electric oven
which was situated in the Dyno Building has been removed therefrom by the Tenant
and is being temporarily stored in Building No. 1 of the Project until it is
sold by the Landlord.)

        C.    In consideration for amending the Lease as referenced in Recital B
above, the Tenant agrees to amend Paragraph 3(a) by increasing the Base Rent for
the Premises and by further amending the Lease as hereinafter provided.

        D.    The Landlord and Tenant now wish to enter into this Amendment to
amend the Lease according to the terms, provisions and conditions hereinafter
set forth.

        NOW THEREFORE, in consideration of the mutual promises given one to the
other, the parties do hereby covenant and agree to amend and modify the Lease as
follows:

        1.    All the recitals set forth above in the "Recitals" clauses are
hereby made an integral part of this Agreement.

        2.    Paragraph 1 (The Premises), Section (a) of the Lease is modified
by adding thereto the Tank Farm Area and Existing Tank Farm referenced in
Recital B 1 and the Dyno Building referenced in Recital B2.

        3.    The parties acknowledge and reaffirm Paragraph 1(b) of the Lease
(as well as the other terms and provisions thereof not inconsistent with the
terms and provisions of this Amendment). The Landlord makes no representations
or warranties whatsoever as to the condition of the Tank Farm Area, the Existing
Tank Farm and the Dyno Building and the Tenant represents to the Landlord that
Tenant and its contractors and engineers have thoroughly examined the physical
conditions of the Tank Farm Area, the Existing Tank Farm and the Dyno Building
and have found them all satisfactory for all purposes and uses intended by the
Tenant, and the Tenant accepts the Tank Farm Area, the Existing Tank Farm and
the Dyno Building in their present condition "as–is" and with all faults.

        4.    Paragraph 8(a) is amended to read as follows:

"(a) Tenant shall at all times during the Term be in full compliance with any
and all federal, state and local governmental rules and regulations, ordinances
and similar provisions having the force and effect of law (collectively, "Laws")
which are or would be applicable to the business being conducted on or within
the Premises. In particular, it shall be the sole responsibility of the Tenant
to ensure that the Existing Tank Farm and the New Tank Farm are fully permitted
at all times and that the Existing Tank Farm and the New Tank Farm and all other
areas comprising the Premises are used, maintained and operated by the Tenant in
full compliance with all permits, laws, rules and regulations of the State of
South Carolina and the United States Federal Government and their respective
agencies; the Tenant shall defend, hold harmless and indemnify the Landlord
under Section 11 (Indemnification) from any violation hereof. In addition, the
Existing Tank Farm and the New Tank Farm shall not be used or operated until and
unless all necessary permits and licenses have been obtained therefor from
appropriate governmental agencies."

        5.    Paragraph 9 (Maintenance and Repair) is amended by adding the
following subsections (c), (d) and (e):

"(c)    Care and Maintenance of the Existing Tank Farm and the New Tank
Farm.    The Tenant, at its sole cost and expense, shall keep the Existing Tank
Farm and the New Tank Farm (following its construction) in good repair,
condition and working order, and shall furnish any and all parts and labor
required for that purpose. The Tenant shall implement preventive maintenance
thereon in a good, workmanlike manner consistent with Law and with best

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industrial practices and shall take extra precaution to avoid the spillage of
any liquid or other substance from the Existing Tank Farm and the New Tank Farm.
The Tenant shall not make any material alterations to or replacements of the
Existing Tank Farm without the prior written consent of the Landlord. All
equipment, accessories, parts and replacements that are added to or become
attached to the Existing Tank Farm and the New Tank Farm shall at the
termination or expiration of this Lease become the property of the Landlord and
shall be deemed incorporated in the Premises and subject to the terms of this
Lease as if originally leased hereunder. The Existing Tank Farm and the New Tank
Farm shall be used, maintained and operated by Tenant in full compliance with
all required permits, authorizations and licenses (all of which shall be the
sole responsibility of the Tenant to obtain and maintain) and all laws, rules
and regulations of the State of South Carolina and the United States Federal
Government and their respective agencies. At the termination or expiration of
this Lease, the Tenant, at its sole cost and expense, shall remove all liquids
and other substances from the Existing Tank Farm and the New Tank Farm and shall
leave both tank farms in environmentally clean and operating condition.

(d)    Transformer.    The Tenant acknowledges that a transformer containing
PCBs (the "Transformer") is located on a platform above a portion of the floor
area of the Dyno Building. The Landlord retains responsibility for the storage
and maintenance of the Transformer and shall have access to such platform and
the Transformer through the Dyno Building for purposes of (i) periodically
inspecting the Transformer or having the Transformer inspected by Landlord's
contractors and by government officials having jurisdiction over the
Transformer, (ii) performing any necessary or required maintenance or repairs to
the Transformer, and (iii) removing the Transformer from the Dyno Building
(should the Landlord, in its sole discretion, desire to remove the Transformer
therefrom). The Tenant shall take extra precaution not to (i) enter the platform
area upon which the Transformer is being stored and (ii) damage in any way the
platform or the Transformer. The Tenant shall be solely responsible for all
damages, liabilities and obligations should the Tenant fail to provide by the
provisions of the immediately preceding sentence."

(e)    Concrete Ramps to Dyno Building.    The Tenant intends to
construct/install two (2) concrete ramps leading into the Dyno Building—one such
ramp as a vehicular entrance into the Dyno Building and the other such ramp as a
vehicular therefrom. At the expiration or termination of this Lease and at the
option of the Landlord, the Tenant, at its sole cost and expense, agrees to
remove the two ramps in good, workmanlike manner—leaving the ground upon which
the ramps are constructed level with the surrounding area.

        6.    Paragraph 3(a) (Base Rent) is amended by adding the following
sentence:

"Commencing December 1, 2007, the Base Rent currently payable under this Lease
shall increase by $5,050.00 per month representing additional monthly Base Rent
(i) in the amount of $4,500.00 per month for the lease of the Tank Farm Area and
the Existing Tank Farm and (ii) $550.00 per month for the lease of the Dyno
Building."

        7.    This Amendment may be executed in several counterparts, each of
which shall be deemed an original and such counterparts shall constitute but one
and the same instrument. If this Amendment or the signature page, as executed,
is transmitted by one party to the other by facsimile transmission or
electronically "pdf" transmission, such transmission shall be deemed an executed
original of this Amendment and of such signature

        8.    Except as modified by this Amendment, the Lease remains unchanged.

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        IN WITNESS WHEREOF, the parties hereto have duly executed this Amendment
under seal as of the day and year first above written.

    LANDLORD:
 
 
AEROSPACE/DEFENSE, INC.
 
 
By:
 
/s/ M. JERRY GARFINKLE

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    Its:   Assistant Secretary
 
 
TENANT:
 
 
FORCE PROTECTION INDUSTRIES, INC.
 
 
By:
 
/s/ RAYMOND POLLARD

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    Its:   COO
 
 
FORCE PROTECTION, INC.
 
 
By:
 
/s/ MICHAEL DURSKI

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    Its:   CFO

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Exhibit A

[FLOOR PLAN]

MAIN FLOOR LEVEL

Building No. 2

5

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Exhibit A-1

[FLOOR PLAN]

6

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Exhibit A-2

[FLOOR PLAN]

7

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Exhibit B

[FLOOR PLAN]

8

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Exhibit 10.56

FOURTH AMENDMENT TO LEASE
RECITALS
Exhibit A
Exhibit A-1
Exhibit A-2
Exhibit B