Question: Whit is the IATA abbreviation for the air force base located in the area where Whitney Section House originally stood?
Sentence (from "Double cantilever hangar"): Large hangers were constructed at Castle Air Force Base, Loring Air Force Base, Carswell Air Force Base, and Travis Air Force Base, while smaller hangars were constructed at March Air Force Base, Edwards Air Force Base, Hanscom Air Force Base, and Homestead Air Force Base.
Relevant evidence: No