Military versions of existing Wasp Junior-powered civilian aircraft were also produced, such as the military derivatives of the Beech 18, Beech Staggerwing, Grumman Goose, and Howard DGA-15.
Militære versioner af eksisterende civile fly med Wasp Junior-motor blev også bygget, for eksempel militære varianter af Beech 18, Beech Staggerwing, Grumman Goose, og Howard DGA-15.