The Army is adding more soldiers to some of its most overworked units, creating a new job that will operate and maintain the service’s largest air defense systems, officials confirmed to Task & Purpose. The Air and Missile Defense Systems Repairer will be trained to “troubleshoot, fault isolate, repair, service, modify, fabricate, and inspect” Patriot and Terminal High Altitude Area Defense (THAAD) missile systems, officials announced in an Apri…