Capt. Duane Sand, assigned to Undersea Rescue Command,

Capt. Duane Sand, assigned to Undersea Rescue Command, San Diego, discusses American and international submarine rescue procedures with Vietnam People's Navy Senior Capt. Nguyen Huu Tai during Naval Engagement Activity Vietnam. The engagement provides opportunities for U.S and Vietnamese naval professionals to share best practices and maritime skills. Approximately 400 U.S. Navy Sailors and civilian mariners are participating in the engagement. (U.S. Navy photo by Mass Communication Specialist 1st Class Tim Miller/Released)