Shipboard Hazard and Defense II (SHAD II)

Type: Consensus Study
Topics: Military and Veterans Health
Boards: Medical Follow-Up Agency, Board on the Health of Select Populations

Activity Description

From 1962-1973, more than 5,800 military personnel -- mostly Navy personnel and Marines -- participated in Project SHAD (Shipboard Hazard and Defense), a series of tests of U.S. warship vulnerability to biological and chemical warfare agents. Many of these tests used simulants, substances with the physical properties of chemical or biological warfare agents, which at the time were thought to be harmless. Only some of the involved military personnel were aware of these tests at the time, and it was only decades later that the use of these tests came to light, raising concerns about their possible adverse health effects for veterans.

The IOM's Medical Follow-up Agency (MFUA) will conduct an epidemiological study comparing the health status of the SHAD veterans with non-SHAD veterans deployed at the same time. This study will build on knowledge gained from a prior study conducted between 2003 and 2007. If the results of this SHAD II study indicate a difference in outcome between the SHAD participants and the comparison population, or if the study finds new information that would warrant new research avenues, new research may be needed.

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