British Royal Marine Lt. Col. Richard Cantrill, commanding officer, 42 Commando, 3 Commando Brigade, presents Combat Center Chief of Staff, Col. James F. Harp, with a plaque to show his thanks for the opportunity to train aboard the installation during a barbeque lunch concluding Black Alligator 15 at Camp Wilson, Oct. 8, 2015. (Official Marine Corps photo by Lance Cpl. Levi Schultz/Released) - British Royal Marine Lt. Col. Richard Cantrill, commanding officer, 42 Commando, 3 Commando Brigade, presents Combat Center Chief of Staff, Col. James F. Harp, with a plaque to show his thanks for the opportunity to train aboard the installation during a barbeque lunch concluding Black Alligator 15 at Camp Wilson, Oct. 8, 2015. (Official Marine Corps photo by Lance Cpl. Levi Schultz/Released)