FAIRFAX, Va. (AP) ¿ Government contractor ManTech International Corp. said Thursday it received a five-year system testing contract from the Army worth $286 million.

Under terms of the contract from the U.S. Army Electronic Proving Ground at Fort Huachuca in southeastern Arizona, ManTech will provide engineering and technical support for testing command, control, communications, computers and intelligence, navigation and sensor systems.

Shares gained 6 cents in after-hours trading following the announcement of the award, after losing 51 cents to close at $44.74 in the regular session.

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