US Marine Corps Capabilities, Weapons, and Global Challenges Practice Test

Long-range rocket and missile fires from a mobile platform rely on a self-contained launcher mounted on a highly mobile vehicle, able to relocate after firing to avoid counterfire. The system that fits this description is a truck-mounted launcher on a high-mobility vehicle, capable of delivering precision-guided GMLRS rockets and MGM-140 ATACMS missiles. These munitions easily meet and exceed the 40-mile distance threshold, offering rapid, deep fires with the ability to strike from standoff and move promptly afterward. The other options don’t provide this combination: the M777 Howitzer is a towed 155 mm artillery piece with a much shorter range and is not a rocket or missile system; the LAV-25 is a light armored vehicle armed for infantry support, not long-range rocket strikes; the ACV is an amphibious combat vehicle focused on mobility and protection rather than delivering long-range missiles. Therefore, the system providing long-range rocket and missile strikes from a mobile platform is the M142 HIMARS.