11.   In that meeting, he also agreed with Energy Department officials on the need to strengthen security at the weapons laboratories.

12.   In response to the China scandal, the Clinton administration has stopped all declassifications, beefed up security at the national weapons laboratories and adopted a conciliatory tone.

13.   Increasingly, supercomputing power which was once available only to researchers at the weapons laboratories is now accessible to thousands of scientists via high-speed computer networks.

14.   Israel says it invaded Ramallah, like other Palestinian cities and refugee camps, in an effort to uncover weapons laboratories and arrest or kill militants.

15.   It confirmed and elaborated on longstanding concerns about the vulnerability of the weapons laboratories to espionage.

16.   Israel has publicized the discovery of several weapons laboratories, but it has been less explicit about arrests.

17.   Los Alamos is the second federal weapons laboratory to be investigated by the Equal Employment Opportunity Commission for possible discrimination.

18.   Meanwhile, transit officials are collaborating with a national weapons laboratory in developing defenses against a possible biological weapons attack on subway systems.

19.   On Friday, the federal weapons laboratory in Livermore, Calif., is to break ground on a huge laser complex designed to ignite hydrogen without an atomic match.

20.   Our national weapons laboratories are responsible for, among other things, the design of thermonuclear warheads for our ballistic missiles.