160329-N-UF697-179 YOKOSUKA, Japan (March 29, 2016) Sailors assigned to Fleet Activities Yokosuka's Harbor Patrol Unit, pilot an Argos II harbor craft during a routine security patrol. The Harbor Patrol Unit provides anti-terrorism force protection, ship escort, and bay patrol as part of maritime security operations. (U.S. Navy photo by Mass Communication Specialist 2nd Class Kevin V. Cunningham/Released)