Training Time Sailors practice installing a flange shield on a valve during an engineering course at Naval Station Great Lakes, Ill., Dec. 16, 2024. The program allows enlisted sailors to gain formal training and on-the-job experience to eventually earn a permanent Navy rating or career field. SHARE: Download: Full Size (1.34 MB) Tags: Navy Credit: Navy Petty Officer 2nd Class Matt Hall VIRIN: 241216-N-HR150-1049M.JPG Photo Gallery