The military services should require realistic chemical and biological defense training in exercises that adhere to "realistic wartime scenarios," according to the General Accounting Office. In a report released today , GAO evaluates the readiness of early-deploying U.S. forces to operate in a chemically or biologically contaminated environment, focusing on three Army divisions, two Air Force fighter wings and one Marine Corps expeditionary force. The specific units evaluated are unnamed to keep the report unclassified. While the units reviewed are...