British Royal Navy LMA Mike Beavis demonstrates the proper way to breach a doorway to the U.S. Marines from Alpha Fleet Anti-terrorism Security Team Company Europe, Naval Station Rota, Spain, along with British Royal Marine Commandos and Spanish Marines from the Infanteria de Marina, in Naval Station Rota, March 12, 2015. The training was part of Lisa Azul, a trilateral exercise conducted to increase interservice capabilities of U.S., British, and Spanish forces. (U.S. Marine Corps photo by Sgt. Esdras Ruano)