Ship-to-ship may refer to:
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Ship-to-ship cargo transfer
Ship-to-ship (STS) transfer operation is the transfer of cargo between seagoing ships positioned alongside each other, either while stationary or underway. Cargoes typically transferred via STS methods include crude oil, liquefied gas ( LPG or LNG) ...
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Ship-to-ship radiotelephony
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Type 90 Ship-to-Ship Missile
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