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by U.S. Pacific Fleet on Flickr (cc)
INDIAN OCEAN (June 7, 2013) Interior Communications Electrician Fireman Chelsea Stoute (right), from Baton Rouge, La., and Interior Communications Electrician Fireman Krista Wycoff, from South River N.J., install a hydrogen sulfide detector head in pump room 1 aboard the aircraft carrier USS Nimitz (CVN 68). Nimitz Strike Group is deployed to the U.S. 7th Fleet area of responsibility conducting maritime security operations and theater security cooperation efforts.
Works in power cuts and the battery never runs down - 24/7 availability now that's progress!
Blacksmith by bruce_geisert, via Flickr