181115-N-GC639-1048 PHILIPPINE SEA (Nov. 15, 2018) Electrician’s Mate 3rd Class Sasha Wagner, from Chicago, uses a voltmeter to ensure power has been secured to solenoids in an aqueous film forming foam (AFFF) station before performing maintenance aboard the Arleigh Burke-class guided-missile destroyer USS Spruance (DDG 111). Spruance is underway and conducting operations in international waters as part of a dual carrier strike force exercise. The U.S. Navy has patrolled the Indo-Pacific region routinely for more than 70 years promoting regional security, stability and prosperity. (U.S. Navy photo by Mass Communication Specialist 2nd Class Ryan D. McLearnon/Released)