Got something to say to this podcast? Send a voicemail, and you might hear yourself on the next episode!

The M142 HIMARS is a three-person crew cab and a single rocket pod mounted on the Army’s standard five-ton FMTV truck chassis. The requirement for a lightweight multiple rocket launcher came from the 9th Infantry Division in 1982, but Cold War planners focused on armored battles in Europe preferred the tracked M270 MLRS, which carried two pods. The 1991 Gulf War changed that: the heavy M270s ate up airlift capacity and missed the first wave of U.S. deployments. By April 1991 a wheeled prototype was being tested at White Sands Missile Range. HIMARS trades half the ammunition for speed, driving at up to 58 miles per hour so its crew can fire and leave before counter-battery radar traces the rockets back, and it fits inside a C-130 Hercules.

The pod holds six GPS-guided GMLRS rockets with a range of about 92 kilometers, or one ATACMS ballistic missile reaching 300 kilometers, with the Precision Strike Missile pushing toward 500. HIMARS entered service in 2005 and deployed to Iraq and Afghanistan. After Russia’s 2022 invasion, Ukraine used it to hit command posts, fuel depots and ammunition dumps far behind the front, forcing Russian supply lines back. Russia answered with drones, loitering munitions and GPS jamming on the L1 and L2 frequencies, which pushes the rockets onto less precise inertial navigation. Lockheed Martin is doubling output at Camden, Arkansas from 48 to 96 launchers a year, and an uncrewed variant, the Autonomous Multi-Domain Launcher, drops the cab entirely.

• The M30A1 alternative warhead bursts about 10 meters above the ground and scatters 182,000 tungsten steel fragments over half a square mile, leaving no unexploded bomblets.
• A 2010 strike during Operation Moshtarak in Afghanistan caused civilian casualties and led ISAF to suspend HIMARS use temporarily; investigations found the Taliban had used human shields.
• A 2018 strike on a building in Musa Qala killed 50 Taliban leaders at once.
• Ukrainian forces built wooden decoy launchers that drew Russian cruise missiles costing millions of dollars each.
• A launcher costs the U.S. military about $4.9 million, while export packages for Poland or Taiwan run $19 to $20 million each with training, spares and software integration; Australia is building a domestic GMLRS rocket factory.