U.S. Marine Corps Lt. Col. Richard Rusnok, left, outgoing

U.S. Marine Corps Lt. Col. Richard Rusnok, left, outgoing commanding officer of Marine Fighter Attack Squadron (VMFA) 121, Col. Mark Palmer, middle, commanding officer of Marine Aircraft Group 12, and Lt. Col. Michael Rountree, commanding officer of VMFA-121, conduct pass in review during a change of command ceremony at Marine Corps Air Station Iwakuni, Japan, April 26, 2019. Rusnok served as the commanding officer of VMFA-121 for 26 months, while Rountree served as the detachment officer in charge of VMFA-121 for eight months. (U.S. Marine Corps photo by Cpl. Seth Rosenberg)