330th RRC, Vietnam

• Origins & Mission: The 330th Radio Research Company (RRC) was a U.S. Army signals intelligence (SIGINT) unit deployed in the Vietnam War, specializing in intercepting and analyzing enemy radio communications. • Affiliation: The 330th RRC operated under the Army Security Agency (ASA), a secretive branch responsible for military intelligence gathering and electronic warfare. • Deployment: The unit was first activated and deployed to Vietnam in 1966, with its headquarters established in Pleiku, a critical location in the Central Highlands. • Nickname: The company was often referred to as the "Pleiku Prowlers" due to their base and covert interception missions in the region. • Mobile Operations: The 330th RRC frequently operated mobile radio direction finding (DF) teams, deploying small groups in jeeps, trucks, and helicopters to track enemy transmissions. • Support for Major Battles: The unit provided vital intelligence during significant campaigns such as the Battle of Dak To (1967) and the Tet Offensive (1968), helping to locate enemy units and anticipate attacks. • Dangerous Work: Members of the 330th RRC often operated close to enemy lines, making their missions hazardous and resulting in several casualties over the years. • Technological Pioneers: The company utilized some of the most advanced electronic surveillance equipment of its time, including intercept receivers, direction finders, and cryptographic tools. • Decorations & Recognition: The 330th RRC earned multiple commendations for its vital role in gathering actionable intelligence, including Meritorious Unit Commendations. • Legacy: The veterans of the 330th RRC remain active in sharing their history, and their service is commemorated by reunions, unit associations, and memorial websites chronicling their contributions to military intelligence in Vietnam.