Two squadrons welcome new leaders next week Published June 23, 2011 By Susan Griggs 81st Training Wing Public Affairs KEESLER AIR FORCE BASE, Miss. -- Two 81st Training Group units welcome new commanders next week. 338th Training Squadron -- Lt. Col. Daniel Gottrich passes command of the Dark Knights to Lt. Col. Trevor Wall, former commander of the 332nd TRS, 3:30 p.m. Wednesday at Welch Auditorium. Colonel Gottrich, the squadron's commander since September 2009, is headed to Vandenberg Air Force Base, Calif., where he'll be the deputy director for plans and requirements at 14th Air Force. 335th TRS -- Maj. Tabetha Clark turns over command of the Bulls to Lt. Col. Bradley McAlpine, 9 a.m. June 30 at the Roberts Consolidated Aircraft Maintenance Facility. Colonel McAlpine comes to Keesler from Peterson AFB, Colo., where he's a chief of strategic studies, doctrine and policy at Air Force Space Command headquarters. Major Clark remains at Keesler as the 81st Training Wing's inspector general.