WASHINGTON
The Pentagon conducted a series of secret chemical and biological weapons tests involving military personnel in the 1960s and 1970s. Veterans groups and members of Congress are demanding to know exactly what happened – and who has suffered.

The tests, known as Project 112 and SHAD (Shipboard Hazard and Defense) involved some 6,000 military personnel between 1962 and 1974, the Vietnam War era. Most served in the Navy and Army. The purpose was to identify any weaknesses to U.S. ships and troops and develop a response plan for a chemical attack.

The tests involved nerve agents like Sarin and Vx, and bacteria such as E. Coli. Sarin and Vx are both lethal. According to DOD documents, death can occur within 10 to 15 minutes of exposure to a fatal dose of Vx. More-

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