Chief Petty Officer John Parks, from Houma, La., instructs Sailors during an assist and rescue operation drill.

MEDITERRANEAN SEA (Aug. 12, 2015) Chief Petty Officer John Parks, from Houma, La., instructs Sailors during an assist and rescue operation drill aboard the Israeli navy Sa'ar 5-class corvette INS Hanit (503) as part of Exercise Reliant Mermaid. Porter, an Arleigh Burke-class guided missile destroyer, forward-deployed to Rota, Spain, is on a routine patrol conducting naval operations in the U.S. 6th Fleet area of operations in support of U.S. national security interests in Europe. (U.S. Navy photo by Fireman Sean McDew) File# 150812-N-ZZ999-003