339th FLTS welcomes new commander

Lt. Cols. John Lesho, 339th Flight Test Squadron commander, and Matthew Griffin, 339th FLTS director of operations, sit as members of the official party while Col. Sean Bittner, 413th Flight Test Group commander, gives remarks during a change of command ceremony Sep. 17, 2020, at Robins Air Force Base, Georgia. The ceremony honored Lesho for his time as commander and celebrated Griffin as the unit’s next leader. (U.S. Air Force photo by Jamal D. Sutter)

Col. John Lesho, 339th Flight Test Squadron commander, gets his new rank pinned on by his family during a change of command ceremony Sep. 17, 2020, at Robins Air Force Base, Georgia. Lesho took command of the 339th FLTS in September of 2018 and will go on to serve as the Headquarters, Air Force Reserve Command director of safety. (U.S. Air Force photo by Jamal D. Sutter)

Col. John Lesho, 339th Flight Test Squadron commander, recites the oath of office, led by Col. Craig Simmons, Headquarters Air Force Reserve Command F-16 functional area manager, during a change of command ceremony Sep. 17, 2020, at Robins Air Force Base, Georgia. Lesho took command of the 339th FLTS in September of 2018 and will go on to serve as the Headquarters, Air Force Reserve Command director of safety. (U.S. Air Force photo by Jamal D. Sutter)

Lt. Col. Matthew Griffin, right, 339th Flight Test Squadron commander, salutes Col. Sean Bittner, 413th Flight Test Group commander, during a change of command ceremony Sep. 17, 2020, at Robins Air Force Base, Georgia. Griffin was previously the 339th FLTS director of operations and assumed command of the unit from Col. John Lesho. (U.S. Air Force photo by Jamal D. Sutter)

Lt. Col. Matthew Griffin, 339th Flight Test Squadron commander, gives remarks during a change of command ceremony Sep. 17, 2020, at Robins Air Force Base, Georgia. Griffin was previously the 339th FLTS director of operations and assumed command of the unit from Col. John Lesho. (U.S. Air Force photo by Jamal D. Sutter)