Maintaining the Depths
Staff Sgt. Joshua Manske, 9th Civil Engineer Squadron water and fuels systems maintenance, steps into the underground confined space to clean a tank and perform maintenance on a storage unit at Beale Air Force Base, California, April 27, 2017. Members of 9th CES perform regular routine inspections and general maintenance on various types of storage units on the installation. (U.S. Air Force photo by Airman 1st Class Justin Parsons/Released)

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Photo by: Airman 1st Class Justin Parsons  |  VIRIN: 170427-F-GZ700-1054.JPG