Task Force 50's service and logistics units show the infrastructure needed to keep a major fleet operating. The force included dozens of oilers, ammunition and cargo ships, hospital ships, aviation-fuel tankers, repair ships, floating docks, and tugs. Repair ships were one element among fuel, ammunition, aviation, medical, rescue, and docking support. The list makes clear that combat power at sea depended on a much larger operational system behind it.
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The scale of logistics support at Okinawa
The support force behind Okinawa included oilers, ammunition ships, cargo ships, hospital ships, repair ships, floating docks, and tugs alongside combatant formations.