Men perform pre-flight checks on an unmanned aerial vehicle before launch.

    PACIFIC OCEAN (Feb. 24, 2011) Guy Mcallister, from Insitu Group, left, and Jason Wolfram, from Boeing Inc., perform pre-flight checks on a Scan Eagle unmanned aerial vehicle (UAV) before launch aboard the amphibious dock landing ship USS Comstock (LSD 45). Scan Eagle is a runway independent, long-endurance, UAV system designed to provide multiple surveillance, reconnaissance data, and battlefield damage assessment missions. Comstock is part of the Boxer Amphibious Ready Group, which is underway in the U.S. 7th Fleet area of responsibility during a western Pacific deployment. (U.S. Navy photo by Mass Communication Specialist 2nd Class Joseph M. Buliavac/Released)

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