Chemical and Biological Warfare

Defense Secretary Jim Mattis suggested Thursday that a U.S. attack on Syria was not imminent.

The U.S. may launch a military response to the recent chemical attack.

U.S. Strategic Command recently passed the leadership role in counter-proliferation to SOCOM.

The U.S. Army is notifying vets that they may be eligible to receive care if they participated in testing from 1942 to 1975.

The U.S. is accusing President Assad's government of using sarin on civilians in an attack that killed more than 1,400.

The Pentagon has ruled out hitting Syrian chemical weapons stockpiles or sending troops to secure the sites after a strike.

The U.S. has yet to find solid evidence that ISIS used mustard gas against Kurdish forces in northern Iraq, CentCom said...

America's ambassador to the United Nations stepped out front today to make the case for a U.S. strike against the forces of...

Initial field tests have indicated that Islamic militants may have used mustard gas in an Aug. 11 attack on Kurdish peshmerga...

While wrestling with the case for a Syria attack, the White House is not commenting on reports that rebels released the gas.