Example image of eyePlorer eyePlorer map for 'Observation balloon': Artillery observer Military intelligence French Revolutionary Wars Hydrogen Albert Caquot World War I Gas Textile Parachute Helium Winch Battle of Fleurus (1794) American Civil War Franco-Prussian War Royal Engineers Second Boer War Siege of Ladysmith Anti-aircraft warfare Fighter aircraft Balloon buster Frank Luke Léon Bourjade Maurice Boyau Michel Coiffard Willy Coppens Blimp World War II Cold War Project Mogul Le Prieur rocket Espionage balloon James P. McGranery Balloon Pilot Badge Brazilian Army Aviation Command List of balloon uses Air-to-air rocket Royal Flying Corps Albert Kesselring Thornycroft M class destroyer Yarrow M class destroyer 1st Airborne Command and Control Squadron RP-3 Fritz Rumey Imperial Japanese Army Air Force Maurice Glaize RNAS Calshot Hartmann Grasser USS Mohican (SP-117) USS Tioga (1862) William Frederick James Harvey