The amphibious transport dock "New Orleans" (LPD 18), the aviation logistics support ship SS "Curtiss" (T-AVB 4) and the amphibious transport dock "Somerset" (LPD 25), the Mexican navy patrol vessel ARM "Usumacinta" (A 412) and the Mexican navy patrol vessel ARM "Revolucion" (P 164) participate in a simulated strait transit. "Boxer" is currently underway off the coast of Southern California participating in Dawn Blitz 2015 (DB-15). DB-15 is a multinational training exercise being conducted by Expeditionary Strike Group 3 (ESG-3) and 1st MEB to build U.S., Japan, Mexico and New Zealand’s amphibious, and command and control capabilities through live, simulated, and constructive military training activities.