330th RRC, Vietnam

The 330th Radio Research Company (RRC) was a United States Army military intelligence unit that operated in Vietnam during the Vietnam War. Activated in the mid-1960s, the 330th RRC was part of the Army Security Agency (ASA) and specialized in signals intelligence (SIGINT) and electronic warfare. The unit’s mission involved intercepting and analyzing enemy communications to provide actionable intelligence for U.S. and allied forces. Throughout its deployment, the 330th RRC supported numerous combat operations, contributing significantly to the overall intelligence effort in the theater until the drawdown of U.S. forces in the early 1970s.