- 4 0 ▁Elect ra , ▁ 1 9 3 9 - 1 9 4 0 ▁ ▁Douglas ▁O - 3 8 , ▁ 1 9 3 9 - 1 9 4 0 ▁ ▁Gr um man ▁O A - 9 ▁Go ose , ▁ 1 9 3 9 - 1 9 4 2 ▁ ▁Bell ▁Y FM - 1 ▁A i rac uda , ▁ 1 9 3 9 - 1 9 4 0 ▁▁ ▁Cons olid ated ▁P - 3 0 , ▁ 1 9 3 9 - 1 9 4 0 ▁ ▁Curt iss ▁P - 3 6 ▁Haw k , ▁ 1 9 3 9 - 1 9 4 2 ▁ ▁Curt iss ▁Y P - 3 7 , ▁ 1 9 3 9 - 1 9 4 0 ▁ ▁Bell ▁P - 3 9 ▁A i rac ob ra , ▁ 1 9 4 1 - 1 9 4 2 ▁ ▁Curt iss ▁P - 4 0 ▁War h awk , ▁ 1 9 4 1 - 1 9 4 2 ▁ ▁W aco ▁P T - 1 4 , ▁ 1 9 3 9 - 1 9 4 2 ▁ ▁Ste ar man ▁P T - 1 7 , ▁ 1 9 3 9 - 1 9 4 0 ▁ ▁Douglas ▁S BD ▁Da unt less , ▁ 1 9 3 9 - 1 9 4 0 ▁( N avy ) ▁ ▁Notes ▁ ▁Bibli ography ▁▁▁▁▁▁▁▁▁▁▁▁ ▁Category : Groups ▁of ▁the ▁United ▁States ▁Army ▁Air ▁Forces