Type of internal combustion engine fuel, refined from crude oil.

The upper deck of an aircraft carrier, equipped for aircraft takeoff, landing, and maintenance operations.

Ro-Ro (Roll-on/Roll-off) capability enables vehicles and equipment to be driven on/off a ship via ramps, facilitating rapid vehicle loading/unloading for amphibious operations.

A recessed area at the stern of certain amphibious warships, allowing landing craft or vehicles to enter/exit the vessel directly from the water.