Bomb damage assessment (BDA), also known as battle damage assessment, is the practice of assessing damage inflicted on a target from a stand-off weapon, most typically a bomb or air launched missile. It is part of the larger discipline of combat assessment.
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MACV-SOG’s missions evolved over time, and included strategic reconnaissance, direct action, sabotage, personnel recovery, Psychological Operations (PSYOP), counter-intelligence, and bomb damage assessments. Maritime operations covered the coastal areas of North Vietnam. PSYOP missions included ‘Voice of Freedom’ radio broadcasts into North Vietnam, to publicize the advantages of life in South Vietnam.