Project 112 was a biological and chemical weapon experimentation project conducted by the United States Department of Defense from 1962 to 1973. The project started under John F. Kennedy's administration, and was authorized by his Secretary of Defense Robert McNamara, as part of a total review of the US military. The name "Project 112" refers to this project's number in the 150 project review process authorized by McNamara. Funding and staff were contributed by every branch of the U.S.