On December 16, 2016 Second Lieutenant Aaron D’Silva, a Marine attached to Combat Engineer Officer course 1-17 (CEO 1-17); breaches a door using the M500 shotgun. The shotgun is used to shoot out the hinges and locks of a door in order to detach the door from the frame and enable a successful breach. The M500 is a 12-gauge, manually operated, shoulder fired weapon and is used to augment security forces and Operating Force units, as well as a ballistic breaching tool.  
