Under Siege is a 1992action film, in which a band of terrorists captures a warship with nuclear weapons, and threaten the world with armageddon. The only thing in their way is a ship's cook. Who just happens to be a retiring former U.S. Navy seal with special-weapons and hand-to-hand combat training.
... can mean the following:
dB is the abbreviation for Decibel; see Bel
DB is a French automobile maker; see DB (car)
DB is the abbreviation for Deutsche Bahn, ...