r2d
31Douglas Y1B-7 — Y1B 7 Y1B 7 of the 31st Bombardment Squadron Role Light bomber …
32Douglas XB-19 — XB 19 Role Heavy bomber Manufacturer Douglas Aircraft First flight …
33Douglas XB-22 — Role Prototype bomber aircraft Manufacturer Douglas Aircraft Company First flight n/a Primary user United States Army Air Forces Number built 0 Developed from …
34Douglas XB-31 — XB 31 Role Heavy bomber Manufacturer Douglas Aircraft Status Design only Primary user United States Army Air Forces Number built 0 The Douglas XB 31 (Douglas Model 423) was the design submitted by …
35Ligand-gated ion channel — Neurotransmitter gated ion channel transmembrane region Ligand gated ion channel Identifiers Symbol Neur chan memb Pfam …
36Douglas DT — DT Douglas DT 2 launched from U.S.S. Langley, San Diego, California Role Torpedo bomber Manufactur …
37Douglas World Cruiser — World Cruiser Douglas World Cruiser Chicago equipped with floats Role Seaplane Manufacturer …
38Douglas XA-2 — XA 2 Douglas XA 2 with removed cowling on the lower nose to enhance engine cooling Role Attack Manufa …
39Consolidated R2Y — A Consolidated R2Y 1 in Navy markings. Role Prototype military transport aircraft …
40Douglas O-38 — O 38 Douglas O 38F at National Museum of the United States Air Force in 2005 Role Observation plane …
