Lengkepan kalimah di handap ieu: Redesignated 509th Bombardment Group, Very Heavy dina taun 1946, grup ieu salah sahiji ti aslina sapuluh grup bombardment of Strategic Air Command. Unit ieu ogé organisasi host di Roswell Angkatan Darat Airfield, New Mexico dina bulan Juli 1947 salila dugaan
Kajadian di Roswell.