Aircraft Rescue and Fire Fighting Marines use a P-19R to respond to an incident during an exercise aboard Marine Corps Air Station Camp Pendleton, Calif, in February 2019. Program Executive Officer Land Systems is currently fielding the P-19R to Marines worldwide. (U.S. Marine Corps photo by Ashley Calingo) - Aircraft Rescue and Fire Fighting Marines use a P-19R to respond to an incident during an exercise aboard Marine Corps Air Station Camp Pendleton, Calif, in February 2019. Program Executive Officer Land Systems is currently fielding the P-19R to Marines worldwide. (U.S. Marine Corps photo by Ashley Calingo)