Battles of the Deep

During WWI, the Atlantic Ocean became a killing field as German submarines took on the might of the dominant British Navy. The stealthy silent killers were able to sink 5,200 ships by war's end, and nearly brought Britain to its knees.

When a U.S. marine or sailor is wounded in combat, his odds of getting to a doctor are close to nothing. But his chances of staying alive are superb due to the Navy Hospital Corpsmen.

Take a look at the role played by intelligence-collection ships in all the major conflicts in the 20th century, from equipment transport to participation in international disputes.

The modern aircraft possesses a more powerful tactical air force than most nations. Experience a privileged tour of the sea's mightiest craft.