Keystone Shipping Company contracted Seaward Marine Services to provide diving services in support of two separate MARAD USNS Turbo-Activations is Charleston, SC. Turbo- Activations are no-notice readiness exercises for the prepositioned ships to get the vessels tested and underway within 96 hours.
 
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USNS Cape Ducato turbo activation was March 15-17; USNS Cape Diamond turbo activation was March 22-24, 2019. Seaward Marine Services mobilized a team homebased in Mayport Florida to complete the underwater hull cleanings including propellers, rudders, bow thrusters, stern thrusters, sea chest gratings, transducers, appendages.