<prompt> Pedzisa mutsara unotevera: T-28s akanga akapa Republic of Vietnam Air Force RVNAF kutsigira ARVN ivhu akavhiyiwa, achiona rakafara basa panguva Vietnam War mumaoko RVNAF uyewo  <response>: Hondo Yakavanzika muLaos. A T-28 Trojan aiva wokutanga US wakaiswa bapiro kurwisa ndege non-kutumira mhando akarasika South Vietnam, panguva Vietnam War. Kaputeni Robert L. Simpson, USAF, Detachment 2A, 1st Air Commando Group, uye Lt. Hoa, RVNAF, vakapfurwa pasi nemoto wepasi musi waAugust 28, 1962 apo vaibhururuka pedyo nemhepo. Hapana nhengo dzechikwata dzakapona. The USAF akarasikirwa 23 T-28s zvose zvinokonzera munguva yehondo, pamwe okupedzisira kurasikirwa maviri kuitika muna 1968. 