170816-N-NB142-0985 PACIFIC OCEAN (Aug. 16, 2017) Master-at-Arms 1st Class Gabriel Suarez and Legalman 1st Class John Detty demonstrate a mechanical advantage control hold (MACH) takedown during a Security Reaction Force Basic course in the well deck of the Wasp-class amphibious assault ship USS Essex (LHD 2). Essex is underway conducting sea trials and flight deck certifications off the coast of Southern California. (U.S. Navy photo by Mass Communication Specialist 3rd Class Chandler Harrell/Released)

Photo by: MC3 Chandler Harrell |  VIRIN: 170816-N-NB142-0985.jpg