11.   Fast attack submarines trailed Soviet missile carriers and performed vital intelligence functions, such as tapping deep-sea cables carrying secret Soviet military messages.

12.   In the East China Sea, the U.S. aircraft carrier Independence patrolled off Taiwan, accompanied by a cruiser, two destroyers, a frigate and an attack submarine.

13.   It travels with a protective carrier battle group made up of four warships and an attack submarine, all capable of firing long-range cruise missiles.

14.   Likewise, he argues that the Navy has retired aging, though still usable attack submarines to make room for fewer, more expensive versions.

15.   Many of these submarines are being retired before the end of their projected service lives to make way for the next generation of attack submarines.

16.   Like an attack submarine, the gator will glide under the surface, compute the course and size of its prey, and close for the kill.

17.   More than a week after a U.S. nuclear attack submarine accidentally sank a Japanese fishing boat near Hawaii, the Navy is still suppressing information about the incident.

18.   Navy officials allowed journalists on Sunday to tour the Columbia, a Los Angeles-class attack submarine similar to the Greeneville, which is in drydock undergoing repairs.

19.   Now Brazil is moving forward with plans to develop its first nuclear attack submarine.

20.   Newport News says it could build the new attack submarine for less money than Electric Boat, a claim disputed by the Navy.