T - 2 9 C ▁in ▁ 1 9 6 2 . ▁E T - 2 9 C ▁AT - 2 9 C ▁red es ign ated . ▁V T - 2 9 C ▁T - 2 9 C ▁converted ▁for ▁staff ▁transport . ▁T - 2 9 D ▁Bomb ard ier ▁training ▁version ▁of ▁the ▁T - 2 9 C ▁with ▁room ▁for ▁six ▁students , ▁ 9 3 ▁built . ▁E T - 2 9 D ▁Air ways ▁checking ▁conversion ▁of ▁the ▁T - 2 9 D . ▁V T - 2 9 D ▁Staff ▁transport ▁conversion ▁of ▁the ▁T - 2 9 D . ▁X T - 2 9 E ▁Pro posed ▁tur b op rop ▁version ▁of ▁T - 2 9 B , ▁none ▁built . ▁Y T - 3 2 ▁Pro posed ▁bom ber ▁training ▁version ▁with ▁transparent ▁nose , ▁none ▁built . ▁ ▁Oper ators ▁ ▁Par agu ay an ▁Air ▁Force ▁operated ▁one ▁former ▁US AF ▁Con v air ▁C - 1 3 1 D ▁ ▁United ▁States ▁Air ▁Force ▁operated ▁T - 2 9 ▁and ▁C - 1 3 1 ▁aircraft . ▁United ▁States ▁Navy ▁operated ▁R 4 Y / C - 1 3 1 ▁and ▁T - 2 9 ▁aircraft . ▁United ▁States ▁Coast ▁Guard ▁operated ▁R 4 Y / C - 1 3 1 ▁aircraft . ▁NASA ▁ ▁Sur v iving ▁aircraft ▁ ▁H C - 1 3 1 A ▁ 5 2 - 5 7 9 4 ▁– ▁On ▁display ▁at ▁the