page_title: 431st Air Refueling Squadron
hierarchical_section_title: 431st Air Refueling Squadron
caption_attribution_description: In-flight view of a Boeing KB-50J (s/n 48-0088, originally B-50D-90-BO) of the 421st Air Refueling Squadron
context_page_description: The 431st Air Refueling Squadron is an inactive United States Air Force unit. It was last assigned to the 4440th Aircraft Delivery Group at Biggs Air Force Base, Texas, where it was inactivated on 8 March 1965.
context_section_description: The 431st Air Refueling Squadron is an inactive United States Air Force unit.  It was last assigned to the 4440th Aircraft Delivery Group at Biggs Air Force Base, Texas, where it was inactivated on 8 March 1965.
caption: Boeing KB-50J
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