![File:Defense.gov News Photo 110917-N-BT887-389 - Flight deck crew members give the thumbs up to launch an E-2C Hawkeye from the USS John C. Stennis CVN 74 as the aircraft carrier conducts flight.jpg - File:Defense.gov News Photo 110917-N-BT887-389 - Flight deck crew members give the thumbs up to launch an E-2C Hawkeye from the USS John C. Stennis CVN 74 as the aircraft carrier conducts flight.jpg -](https://upload.wikimedia.org/wikipedia/commons/5/59/Defense.gov_News_Photo_110917-N-BT887-389_-_Flight_deck_crew_members_give_the_thumbs_up_to_launch_an_E-2C_Hawkeye_from_the_USS_John_C._Stennis_CVN_74_as_the_aircraft_carrier_conducts_flight.jpg)
File:Defense.gov News Photo 110917-N-BT887-389 - Flight deck crew members give the thumbs up to launch an E-2C Hawkeye from the USS John C. Stennis CVN 74 as the aircraft carrier conducts flight.jpg -
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A flight deck crew member gives the thumbs up signal prior to the launch of an aircraft aboard the nuclear-powered aircraft carrier USS THEODORE ROOSEVELT (CVN-71) - NARA & DVIDS Public Domain
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File:US Navy 090821-N-9132C-162 Members of the flight deck crew of the aircraft carrier USS Ronald Reagan (CVN 76) man fire hoses during a flight deck drill.jpg - Wikimedia Commons
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