When he was in the Navy, Hilton served on submarines that excluded women until 2010.
AIP submarines are a high priority in the budgets of nations such as Singapore, Korea and Japan.
The only other option was submarines—an engineering job on steroids.
Drill to include 90,000 soldiers, submarines, aircraft, tanks and warships.
I associated the holiday with barbecues, a day off from school, and sleepy Sunday afternoon movies about submarines and Generals.
The U-boat could not be coped with by the building of swarms of submarines.
"All submarines are lighter than the water in which they float," answered the captain.
Aerial torpedoes, traps for submarines, wireless methods of exploding the enemy's ammunition, heaps of things of that sort.
But submarines do seem to get through somewhere; do they not?
It will power our fleet of submarines that will conquer Earth.