Going Down Navy Capt. Michael Fontaine inspects the I-4 fuel tank, the Defense Department's largest, at Commander Fleet Activities Sasebo, Japan, Feb. 14, 2024. The inspection is part of the tank's 20-year cleaning cycle to maintain structural integrity and readiness. SHARE IMAGE: Download Image: Full Size (1.13 MB) Tags: Navy Photo By: Navy Petty Officer 3rd Class Sophia Bumps VIRIN: 240214-N-II719-1006M.JPG Photo Gallery