Rocket Launch A M142 High Mobility Artillery Rocket System launches at Artillery Fire Area One, Slab City, Calif., April 19, 2017. The Defense Department announced today that as part of the Ukraine Security Assistance Initiative, 18 HIMARS will be produced so they can be sent to Ukraine. SHARE IMAGE: Download Image: Full Size (2.79 MB) Photo By: Marine Corps Lance Cpl. Clare J. Shaffer VIRIN: 170419-M-CD121-0004.JPG Photo Gallery