2015年7月16日，来自亚利桑那州卢克空军基地的 F-35A 在希尔空军基地第34“公羊”战斗机中队启用仪式上飞行。第34中队拥有极其丰富的历史，参与了美军主要的军事行动，1975年12月8日迁至希尔空军基地，是第一个使用F-16的战斗机中队，2010年由于军队转型和预算调整而解散，此次重新启用将接收新一代 F-35A 联合攻击战斗机，使其成为空军第一支F-35作战中队。（An F-35A Lightning II aircraft from Luke Air Force Base, Ariz., banks right past the control tower upon arriving at Hill Air Force Base, Utah, where it was seen on static display during 34th Fighter Squadron’s activation ceremony held July 17 at Hill Air Force Base. The 34th will be the first combat squadron to fly the Air Force’s newest fighter aircraft, the F-35A. The squadron has an extremely rich history. After many contributions in major U.S. conflicts, the 34th was relocated to Hill Air Force Base Dec. 8, 1975, where they became the first fighter squadron to receive the F-16 fighter aircraft. The squadron’s first F-35A will arrive in September.）

2015年9月17日，希尔空军基地第34“公羊”战斗机中队（34FS）副指挥官驾驶新接收的 F-35A“闪电”II 联合攻击战斗机起飞训练。依计划，总共有72架“闪电”II 分配给该基地的第388和第419战斗机联队。（The 34th Fighter Squadron Assistant Director of Operations Maj. Brad Matherne, flies a combat-coded F-35A Lightning II aircraft past the control tower at Hill Air Force Base, Utah, Sept. 17. Maj. Matherne and 34th Fighter Squadron Commander Lt. Col. George Watkins were conducting mission qualification training, focusing on weapons employment, range familiarization and mission system proficiency.）

2015年9月17日，希尔空军基地第34“公羊”战斗机中队（34FS）副指挥官驾驶新接收的 F-35A“闪电”II 联合攻击战斗机起飞后收起落架。依计划，总共有72架“闪电”II 分配给该基地的第388和第419战斗机联队。（The 34th Fighter Squadron Assistant Director of Operations Maj. Brad Matherne, retracts his landing gear after taking off from Hill Air Force Base, Utah, Sept. 17, during one of the base’s first sorties with the recently acquired, combat-coded F-35A Lightning II aircraft. Along with 34th Fighter Squadron Commander Lt. Col. George Watkins in another F35A, Matherne conducted mission qualification training, focusing on weapons employment, range familiarization and mission system proficiency.）

2015年9月17日，希尔空军基地第34“公羊”战斗机中队（34FS）指挥官驾驶新接收的 F-35A“闪电”II 联合攻击战斗机起飞训练。依计划，总共有72架“闪电”II 分配给该基地的第388和第419战斗机联队。（The 34th Fighter Squadron Commander Lt. Col. George Watkins flies a combat-coded F-35A Lightning II aircraft past the control tower at Hill Air Force Base, Utah, Sept. 17. During the sortie, the base’s first, Watkins conducted mission qualification training focusing on weapons employment, range familiarization and mission system proficiency.）

2015年9月17日，希尔空军基地第34“公羊”战斗机中队（34FS）指挥官驾驶新接收的 F-35A“闪电”II 联合攻击战斗机升空训练。依计划，总共有72架“闪电”II 分配给该基地的第388和第419战斗机联队。（T34th Fighter Squadron Commander Lt. Col. George Watkins lifts off from runway 14 in a combat-coded F-35A Lightning II aircraft at Hill Air Force Base, Utah, Sept. 17. He was conducting a mission qualification training sortie, focusing on weapons employment, range familiarization and mission system proficiency.）

2015年9月17日，希尔空军基地首批两架 F-35A“闪电”II 联合攻击战斗机（第34战斗机中队）完成一个架次飞行训练后返场。依计划，总共有72架“闪电”II 分配给该基地的第388和第419战斗机联队。（The 34th Fighter Squadron Commander Lt. Col. George Watkins and Maj. Brad Matherne, 34th FS assistant director of operations, return to Hill Air Force Base, Utah, Sept. 17, after completing the first sorties with the recently acquired, combat-coded F-35A Lightning II aircraft. Both pilots were conducting mission qualification training, focusing on weapons employment, range familiarization and mission system proficiency.）