Lt. Col. David Hart, off-going commanding officer, ceremonially passes the 1st Battalion, 7th Marine Regiment, colors to Lt. Col. Erick Clark, on-coming commanding officer, during the battalion’s change of command ceremony at Lance Cpl. Torrey L. Gray Field, June 21, 2016. (Official Marine Corps photo by Cpl. Thomas Mudd/Released) - Lt. Col. David Hart, off-going commanding officer, ceremonially passes the 1st Battalion, 7th Marine Regiment, colors to Lt. Col. Erick Clark, on-coming commanding officer, during the battalion’s change of command ceremony at Lance Cpl. Torrey L. Gray Field, June 21, 2016. (Official Marine Corps photo by Cpl. Thomas Mudd/Released)