Lieutenant Joseph C Vaughn, a navigator of the 351st Bomb Group and his brother James P Vaughn, a top turret gunner of the 450th Bomb Group, 15th Air Force. Their brother Robert V Vaughn also flew bombing missions in the Pacific Theatre of Operations. Handwritten caption on reverse: 'LEft- Joseph C Vaughn later 2nd Lt Navigator B-17 351st Bomb Group, Polebrook now deceased. Right S/Sgt James P Vaughn Flight Engineer/ Top Turret Gunner B-24 450 BG 15AF, 47 Bomb Wing, shot down "Big Week" Regensburg. 3rd brother not shown Flight Officer Robert V Vaughn B-24 pilot bombing Japan now deceased.'