High Quality Content by WIKIPEDIA articles! The XM1219 Armed Robotic Vehicle was an unmanned ground combat vehicle based on the MULE Platform. The ARV-A-L MULE Vehicle (XM1219) would feature integrated anti-tank and anti-personnel and reconnaissance, surveillance, and target acquisition (RSTA) systems remotely operated by network linked soldiers. The Armed robotic vehicle was canceled in July 2011 over mobility concerns.