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The SEATTLE is one of the World's largest under-way replenishment vessels, the fast combat support ships of the Sacramento class are designed to supply a carrier battle group with all its basic needs. They combine the functions of fleet oilers (AO0, ammunition ships (AE), stores ships (AF) and cargo ships (AK). They have exceptionally high speed for their type to enable them to keep pace with fleet units. The machinery installed in Seattle is from the cancelled battleship Illinois (The Detroit AOE-4 carries the same engines).
The original design for the Sacramento class ships, was to use IOWA class battleships and take away the superstructure to resemble that of the current Sacramento ships. The idea was scrapped and the Sacramento ships were built from keel on up. The Sacramento class still used the IOWA class engines, however, and the same general dimensions of the battleships, making them an outstanding and totally radical support ship. They are still, to this day, regarded as the BEST support ships in the world, surpassing the AOR, AE, AO, and AF class ships. During our last Med-Cruise (93), Captains in our battle group were so displeased with civillian tankers they wanted SEATTLE back ASAP! We got ALOT of Bravo Zulus!
Cargo capacity is 177,000 barrels of fuel oil, 2,150 tons of munitions and 750 tons of provisions. The Sacramento class was one of the first two designs to employ the FAST automatic transfer system. There are four refuelling stations to port and two to starboard - an arrangement which reflects their primary mission in support of the carriers - and there are three constant-tension transfer stations for dry stores to port and four to starboard. Aft there is a large helicopter deck with a three-bay hanger for VERTREP helicopters. The design was and still is so radical, the AOE class ship appears in BM3 (Boatswainsmate 3rd class) rate training manual and as of the late 1980s, the soviets were testing the system.
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