File:USS Devastator MCM-6.jpg

English: San Diego, Calf. (May 06, 2005) — The mine warfare countermeasure ship USS Devastator (MCM-6) participates in a maritime homeland security and defense exercise near the ports of Los Angeles and Long Beach, Calif., with the U.S. Coast Guard (USCG). The exercise named Lead Shield III / Roguex V, will feature significant participation from the community and will include 19 USCG and Navy commands, six ships, seven aircraft and 24 interagency organizations totaling approximately 1,200 personnel. The two main components of the exercise are Lead Shield, which exercises anti-mine warfare capabilities and Roguex, which exercises the ability to interdict and secure a rogue vessel.