Chief Engineering Course students Jerome Weigel, U.S. Navy Enginemen Third Class, left, and Logan Tewell, Engineman Second Class, right, put a Detroit Diesel 12D71 marine engine back together with help from Andrew Cimaglio, U.S. Army Maritime & Intermodal Training Center marine engineering instructor, at Joint Base Langley-Eustis, Virginia, Sept. 1, 2020. Many of the instructors at the training center are retired military with over 20 years of working experience in their technical expertise. (U.S. Air Force photo by Staff Sgt. Don Hudson)