Kammala wannan jumla: An sake sanya shi 509th Bombardment Group, Very Heavy a shekarar 1946, kungiyar ta kasance daya daga cikin kungiyoyi goma na farko na Rundunar Sojojin Sama. Unitungiyar ita ce ƙungiyar mai masaukin baki a Roswell Army Airfield, New Mexico a watan Yulin 1947 yayin da ake zargin
Abin da ya faru a Roswell.