 The group's 390th squadron also tested incendiary bombs and bombing techniques at the ranges of Las Vegas Army Air Field.In February 1943 the group was alerted for overseas movement.Reorganizing for shipment overseas, the 76th and 406th squadrons, which had been on detached service since the previous spring were formally reassigned, while the 69th and 70th Bombardment Squadrons, which were already in the Southwest Pacific Theater with the 38th Bombardment Group, were transferred to the group.