Exhibit 7.01
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Joint Filing Agreement
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The undersigned acknowledge and agree that the foregoing statement on
Schedule 13D is filed on behalf of each of the undersigned and that all
subsequent amendments to this statement shall be filed on behalf of each of
the undersigned without the necessity of filing additional joint filing
agreements. The undersigned acknowledge that each shall be responsible for
the timely filing of such amendments, and for the completeness and accuracy
of the information concerning it contained therein, but shall not be
responsible for the completeness and accuracy of the information concerning
the others, except to the extent that it knows or has reason to believe
that such information is inaccurate.
This joint filing agreement may be executed in counterparts and each
of such counterparts taken together shall constitute one and the same
instrument.
Date: November 13, 2006
NORTHROP GRUMMAN CORPORATION
By: /s/ Xxxxxxxx X. Xxxxxx
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Name: Xxxxxxxx X. Xxxxxx
Title: Assistant Secretary
NORTHROP GRUMMAN SPACE & MISSION
SYSTEMS CORP.
By: /s/ Xxxxxxxx X. Xxxxxx
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Name: Xxxxxxxx X. Xxxxxx
Title: Secretary
