339th FLTS welcomes new commander

Lt. Col. John Lesho, right, receives the 339th Flight Test Squadron guidon from Col. Christopher Zidek, 413th Flight Test Group commander, during a change of commander ceremony Sep. 21, 2018, at the Museum of Aviation, Warner Robins, Ga. By accepting the guidon, Lesho officially became the commander of the 339th FLTS. (U.S. Air Force photo by Jamal D. Sutter)

Col. Sterling Tree, 339th Flight Test Squadron commander, gives final remarks as the unit's commander during a change of command ceremony Sep. 21, 2018, at the Museum of Aviation, Warner Robins, Ga. Tree relinquished command of the unit to Lt. Col. John Lesho. (U.S. Air Force photo by Jamal D. Sutter)

Col. Sterling Tree, right, passes the 339th Flight Test Squadron guidon to Col. Christopher Zidek, 413th Flight Test Group commander, during a change of command ceremony Sep. 21, 2018, at the Museum of Aviation, Warner Robins, Ga. Tree relinquished command of the unit to Lt. Col. John Lesho. (U.S. Air Force photo by Jamal D. Sutter)

Lt. Col. John Lesho, 339th Flight Test Squadron commander, gives remarks during a change of command ceremony Sep. 21, 2018, at the Museum of Aviation, Warner Robins, Ga. Lesho's most recent assignment was with Headquarters Air Force Reserve Command as an operations A-10 subject mater expert and functional manager for AFRC's A-10 fleet. (U.S. Air Force photo by Jamal D. Sutter)

Lt. Col. John Lesho, 339th Flight Test Squadron commander, kisses his daughter, Alyssa, during a change of command ceremony Sep. 21, 2018, at the Museum of Aviation, Warner Robins, Ga. Lesho assumed command of the unit from Col. Sterling Tree. The 339th FLTS performs functional check flights to F-15, C-5 and C-130 aircraft after depot maintenance is completed. (U.S. Air Force photo by Jamal D. Sutter)