1.   He was executive officer aboard the Honolulu, a nuclear attack submarine.

2.   Russian officials did not name the submarine involved in the weekend collision, but the US Pentagon said the American boat was the attack submarine Grayling.

3.   But U.S. attack submarines, designed to hunt and destroy other subs and surface ships, seldom move on the surface of the ocean.

4.   Also proposed for funding are a new class of nuclear attack submarine, a new Navy surface warship program, and an Army howitzer project.

5.   -- Killing the Seawolf submarine program after two purchases and setting the stage for competition among companies to build a new generation of attack submarines.

6.   A good place to start is expensive new weapons that are no longer needed, and a good example is new attack submarines.

7.   A U.S. attack submarine, equipped to launch Tomahawks, also is in the area, the Navy said.

8.   Advanced attack submarines lost much of their military rationale with the collapse of Soviet power.

9.   After the Cold War, in a first, the Navy agreed to let civilian scientists regularly use its fleet of nuclear attack submarines to study the Arctic.

10.   But the Navy is already moving on to a new, more technologically sophisticated generation of attack submarines.