<Ul> <Li> First loss: mission - related TFR failure, 66 - 0022 (428th TFS 474th TFW, Project Combat Lancer), 28 March 1968, Maj . H.E. Mccann and Capt . D.L. Graham MIA </Li> <Li> Final loss: 67--0111 (474th TFW) mid-air collision over Cambodia, 16 June 1973, both crewmen rescued </Li> </Ul> <Li> First loss: mission - related TFR failure, 66 - 0022 (428th TFS 474th TFW, Project Combat Lancer), 28 March 1968, Maj . H.E. Mccann and Capt . D.L. Graham MIA </Li> <Li> Final loss: 67--0111 (474th TFW) mid-air collision over Cambodia, 16 June 1973, both crewmen rescued </Li> <Li> HU - 16 Albatross--4 total, 2 in combat <Ul> <Li> First loss: 51 - 5287 to unknown cause 19 June 1965 </Li> <Li> 51 - 0058 to unknown cause, 3 July 1965 </Li> <Li> 51 - 0071 (33d ARRS) shot down by AAA 14 March 1966, two crewmen killed </Li> <Li> Final loss: 51 - 7145 (37th ARRS) disappeared 18 October 1966, 7 crewmen KIA - BNR </Li> </Ul> </Li>

How many american planes were shot down in vietnam