Col. Jacob Middleton, vice commander of the 50th Space Wing, assembles a pipe during his visit with 50th Civil Engineering Squadron Airmen to help out with plumbing in the outdoor recreation warehouse at Schriever Air Force Base, Colorado, March 29, 2018. The visit gave Middleton a chance to reference his plumbing knowledge. (U.S. Air Force photo by Airman 1st Class William Tracy)