Rear Adm. John Welch converses with Petty Officer 3rd Class Jacob Wuoltee aboard a 25-foot response boat at Yerba Buena Island in San Francisco, July 11, 2013. Welch observed the 2013 reserve mobilization exercise (MOBEX) for Americas Cup and races. (U.S. Coast Guard photo by Petty Officer 3rd Class Loumania Stewart)