Search and rescue operations History 16 World War, 1939-1945 16 Aerial operations, American 7 Rescue work 6 Vietnam War, 1961-1975 6 Campaigns 4 more ... Discovery and exploration 4 Volunteer workers in search and rescue operations 4 Air pilots 3 Aircraft accidents 3 Armed Forces 3 British 3 Caving 3 Emergency management 3 Equipment and supplies 3 Mountaineering 3 Psychology 3 Rescue dogs 3 Shipwrecks 3 Aeronautics in forest fire control 2 Aeronautics in meteorology 2 Airplanes 2 Caves 2 Disaster relief 2 Explorers' spouses 2 Extreme environments 2 Foreign relations 2 Hostages 2 Internet 2 less ...