Sentences with phrase «warhead types»

The Obama administration has lowered the number of nuclear warhead types to 12, from 23 in 1990, and there are plans to take another 50 % cut over the next decade.

Generally, up to 10 of the first pits produced for a new warhead type are set aside for surveillance to assure they're safely constructed and potent before they're deployed.

Not exact matches

IT is called Fogbank and it is a type of foam — toxic, explosive and highly flammable, and vital to the W76 nuclear warheads on Trident missiles.

In Heil's case, the warhead was a special type of enzyme that converts a nontoxic medication known as a prodrug, taken separately and orally, into an active cell - killing agent.

Among them: warheads carried by America's nuclear submarines and land - based intercontinental ballistic missiles, plus an older type of warhead still stockpiled for use by strategic bombers.

The little - known hiatus has forced the directors of the three principal U.S. weapons laboratories to rely on other types of reliability tests, mostly conducted at other U.S. nuclear weapons facilities, when they promised in annual reports to the President and the Congress that the country's warheads will still explode in the manner intended by their designers.