Two Scotch marine fire-tube boilers at the 177th Fighter Wing, New Jersey Air National Guard in Egg Harbor Township, N.J. on Oct. 16, 2014. The 1980's era boilers, which power the steam plant at the base, will be decommissioned and replaced with higher efficiency boilers with individual building controls. October is the Department of Defense Energy Awareness Month. (U.S. Air National Guard photo by Master Sgt. Andrew J. Moseley/Released)

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Photo by: Master Sgt. Andrew J. MoseleyReleased |  VIRIN: 141016-Z-YH452-009.JPG