The United States lost 578 Ryan Model 147 Unmanned aerial vehicles (UAVs) (554 over Vietnam and 24 over China).
[3] In total, the United States military lost in Vietnam almost 10,000 aircraft (3,744 planes,[4] 5,607 helicopters[3] and about 1,000 UAVs.
The USAF sustained approximately 0.4 losses per 1,000 sorties during the conflict, which compared favorably with a 2.0 rate in Korea and a 9.7 figure during World War II.
[11][12]: 268 Twenty-one aircraft carriers conducted 86 war cruises and operated 9,178 total days on the line in the Gulf of Tonkin.
532 aircraft were lost in combat and 329 more to operational causes, resulting in the deaths of 401 naval aviators, with 64 airmen reported missing and 179 taken prisoner of war.