The 10th Flight Test Squadron is part of the 413th Flight Test Group of Air Force Materiel Command based at Tinker Air Force Base, Oklahoma. It performs acceptance testing on refurbished Rockwell B-1 Lancer, Boeing B-52 Stratofortress, Boeing E-3 Sentry, and Boeing KC-135 Stratotanker aircraft before they are returned to their units.The squadron was first activated as the 10th Pursuit Squadron prior to the entry of the United States into World War II.