These carry 16 missiles with up to six warheads each.
Each tube carried five missiles that could be delivered at a rate of four per second.
The vehicles carries 12 missiles on board and entered service in 1979.
Both were attack submarines and did not carry nuclear missiles.
Some of them have been designed to carry missiles.
"Aaron's not sure yet, but it might be carrying nuclear missiles."
They have also been seen to carry conventional missiles and tactical nuclear weapons.
Jackson could stay up for another three hours or so, and he still carried six missiles.
The Iraqis, however, had modified the aircraft to carry two missiles.
Each Road mobile launcher is designed to carry six missiles.