Drinking Water The Air Force Civil Engineer Center sample the drinking water at the former Wurtsmith Air Force Base, Mich., Aug. 1, 2017. When the base closed in 1993, the Office of Economic Adjustment helped the local community develop a mixed-use site that employs 1,660 workers, more than doubling the jobs lost at closure, according to OEA. SHARE IMAGE: Download Image: Full Size (1.98 MB) Tags: Air Force Photo By: Breanne Humphreys, Air Force VIRIN: 170801-F-VL172-012C.JPG Photo Gallery