The fixed-site version Advanced Concept Technology Demonstration (ACTD) Tactical High Energy Laser (THEL) THEL, was developed by TRW Inc. under a $89 million contract. During several tests in the USA, the system has shot down 25 Katyusha rockets, but has not been deployed.
(MTHEL) Mobile / Tactical High Energy Laser
(M-THEL) Technology Demonstration Program
Developer: Northrop Grumman Corp.
Click on link and read full details underneath the YouTube video (submitted by Paul Laub)