Editing Keystone B-3 (section)

==Operators==
;{{flag|United States|1912}}
*[[United States Army Air Corps]]
**[[2d Bombardment Group]], [[Langley Air Force Base|Langley Field]], [[Virginia]]
***[[20th Bomb Squadron]] – operated B-3A and B-5A 1931–1932
***[[49th Bomb Squadron]] – operated B-3A and B-5A 1931–1932
***[[96th Bomb Squadron]] – operated B-3A and B-5A 1931–1932
**[[4th Composite Group]], [[Nichols Field]], [[Luzon]], [[Philippines]]
***[[28th Bomb Squadron]] – operated B-3A 1932–1937
*** [[2d Air Refueling Squadron|2nd Observation Squadron]]- operated B-3A 1938–1940<ref name="B-3A fact">[https://web.archive.org/web/20131029211809/http://www.nationalmuseum.af.mil/factsheets/factsheet.asp?id=2394 "Fact Sheet – Keystone B-3A."] National Museum of the United States Air Force. Retrieved: 14 July 2017.</ref> 
**[[5th Bomb Wing|5th Composite Group]], [[NALF Ford Island|Luke Field]], [[Territory of Hawaii]]
***[[23d Bomb Squadron]] – operated B-5A 1932–1937
***[[72d Bomb Squadron]] – operated B-5A 1932–1936
**[[6th Composite Group]], [[France Field]], [[Panama Canal Zone]]
***[[25th Space Range Squadron|25th Bomb Squadron]] – operated B-3A 1932–1936
**[[7th Bombardment Group]], [[March Air Force Base|March Field]], [[California]]
***[[9th Bomb Squadron]] – operated B-3A 1931–1934
***[[11th Bomb Squadron]] – operated B-3A 1931–1934
***[[31st Bomb Squadron]] – operated B-3A 1931–1934
**[[19th Bombardment Group]], [[Rockwell Field]], [[California]]
***[[30th Bomb Squadron]] – operated B-3A 1932–1936
***[[32d Air Refueling Squadron|32d Bomb Squadron]] – operated B-3A 1932–1935
**[[10th School Group#Advanced Flying School|Air Corps Advanced Flying School]], [[Kelly Field]], [[Texas]] 
***[[42d Attack Squadron|42d Bomb Squadron]] – operated B-3A and B-5A 1935–1936
;{{flag|Philippines|1936}}
*[[Philippine Army Air Corps]]
**10th Bombardment Squadron