1.   During World War II, the United States had its own biological and chemical weapons programs, devised to retaliate against an enemy biochem attack.

2.   Few of the gulf war veterans who are now sick reported typical chemical weapons symptoms at the time.

3.   Chemical weapons inspectors to visit United States.

4.   Chemical weapons experts to discuss Iraq VX findings at U.N.

5.   U.N. officials have said the team was pursuing leads that Iraq may have tested biological and chemical weapons on humans.

6.   U.S. Defense Secretary William Perry has warned that Washington has not ruled out military force to stop Libya from completing what it believes is an underground chemical weapons plant.

7.   Two years later it launched a campaign against what it said was a chemical weapons plant at Rabta southwest of Tripoli.