Department of the Army Cryptographic Access Program

Overview
The Department of the Army Cryptographic Access Program (DACAP) is

"A formal program for personnel who require access to certain U.S. classified cryptographic information. Included in this program are personnel with access to any keying material classified TOP SECRET; descriptions, specifications, and/or drawings of cryptographic logic; key generating software; key supporting Special Operations Forces, special access programs, joint or combined operations; full maintenance manuals classified SECRET or higher; and personnel who prepare, authenticate, or decode valid or exercise nuclear control orders."