USS ABSD-5, later redesignated as AFDB-5, was a nine-section, non-self-propelled, large auxiliary floating drydock of the US Navy. Advance Base Sectional Dock-5 (Auxiliary Floating Dock Big-5) was constructed in sections during 1943 and 1944 by the Chicago Bridge & Iron Company in Morgan City, Louisiana for World War II. With all nine sections joined, she was 825 feet long, 28 feet tall (keel to welldeck), and with an inside clear width of 133 feet 7inches. ABSD-5 had two traveling 15-ton capacity crane with an 85-foot radius and two or more support barges. The two side walls were folded down under tow to reduce wind resistance and lower the center of gravity. ABSD-5 had 6 capstans for pulling, each rated at 24,000lbf (110,000N) at 30ft/min (0.15m/s), 4 of the capstans were reversible. There were also 4 ballast compartments in each section.[1][2]
After the war, ABSD-5 was reclassified AFDB-5, in April 1946 AFDB-5 was disassembled and towed to Sabine River at the Naval Air Station, Port Arthur, Texas, near Orange, Texas in 1984. AFDB-5 was struck from the Naval Register on 12 January 1984. AFDB-5 was scrapped in 1997.[12][1][13]
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