Rear Adm. Frank Ponds, left, commander of Expeditionary Strike Group (ESG) 3, and Capt. Eric Aaby, commanding officer of Amphibious Construction Battalion (ACB) 1, talk aboard a utility boat during Exercise Pacific Horizon 2015.

CAMP PENDLETON, Calif. (Oct. 21, 2014) Rear Adm. Frank Ponds, left, commander of Expeditionary Strike Group (ESG) 3, and Capt. Eric Aaby, commanding officer of Amphibious Construction Battalion (ACB) 1, talk aboard a utility boat during Exercise Pacific Horizon 2015. Pacific Horizon is a scenario-driven, simulation supported crisis response exercise designed to improve 1st Marine Expeditionary Brigade's and Expeditionary Strike Group 3's interoperability and strengthen Navy-Marine Corps relationships by conducting an in-stream Maritime Prepositioning Force offload of equipment, by providing host country civil-military security assistance, and by conducting infrastructure restoration support. (U.S. Navy photo by Mass Communication Specialist Seaman Eric Chan) File# 141021-N-KK081-189