Date of this Version
The minimum unambiguous citation for this manual is FM 5-30, 1959.
When this manual was issued, military intelligence in the US armed forces was highly decentralized. A number of organizations within the Army Corps of Engineers were responsible for producing engineer intelligence for US forces in the field and strategic engineer intelligence for use by the Department of Defense and US armed forces.
This detailed manual defines the engineer intelligence at length. It explains the role of the Corps of Engineers in the United States and of engineer elements within US forces in the field.
It explains the intelligence process, the planning and direction of collection efforts, the collection of information, and the production of finished intelligence.