Master-at-Arms 1st Class Gary Presley instructs Auxiliary Security Force (ASF) academy students on proper form during low-block drills onboard Commander Fleet Activities Yokosuka.

YOKOSUKA, Japan (Jun. 07, 2007) Master-at-Arms 1st Class Gary Presley instructs Auxiliary Security Force (ASF) academy students on proper form during low-block drills onboard Commander Fleet Activities Yokosuka. The ASF academy is a three-week program designed to train Sailors in non-security billets to augment existing security forces. U.S. Navy photo by Mass Communication Specialist Seaman Gabriel S. Weber File# 070607-N-5253W-002