A U.S. Marine Corps M142 High Mobility Artillery Rocket System assigned to Kilo Battery, 2nd Battalion, 14th Marine Regiment, Marine Forces Reserve, fires a rocket while conducting a HIMARS rapid insertion training event during Weapons and Tactics Instructor course 2-22, Dugway Proving Ground, Utah, April 6, 2022. HIMARS Marines and Marine aircrew routinely train to conduct HIMARS rapid insertion missions, facilitating the expedient and efficient execution of the mission. - A U.S. Marine Corps M142 High Mobility Artillery Rocket System assigned to Kilo Battery, 2nd Battalion, 14th Marine Regiment, Marine Forces Reserve, fires a rocket while conducting a HIMARS rapid insertion training event during Weapons and Tactics Instructor course 2-22, Dugway Proving Ground, Utah, April 6, 2022. HIMARS Marines and Marine aircrew routinely train to conduct HIMARS rapid insertion missions, facilitating the expedient and efficient execution of the mission.