Keywords: airplane california national guard californianationalguard cang aviation aircraft biplane douglas bt-1 douglasbt1 bt-1 bt1 29-415 29415 military aviation militaryaviation douglas aircraft company douglasaircraftcompany douglas aircraft douglasaircraft dac douglas liberty l12 libertyl12 l12 liberty engine libertyengine liberty v-1650 libertyv1650 liberty v-1650-1 libertyv16501 v-1650-1 v16501 blackandwhite monochrome vehicle black and white Photos from an Album (AL-218) containing images of aircraft taken circa 1930-40 in the bay area. Repository: San Diego Air and Space Museum Archive Photos from an Album (AL-218) containing images of aircraft taken circa 1930-40 in the bay area. Repository: San Diego Air and Space Museum Archive |