Marking the Army's first public response since Defense Secretary Robert Gates announced the cancellation of the vehicle component of the Future Combat Systems program early this month, a top official said today the Army is "totally committed" to a new vehicle modernization effort. Gen. Peter Chiarelli, the Army's vice chief of staff, appeared today before the Senate Armed Services readiness and management support subcommittee to address the needs of U.S. ground forces. He said that the service was "very pleased"...