Operation Outward was a British campaign of the Second World War that attacked Germany and German-occupied Europe with free-flying balloons. It made use of cheap, simple balloons filled with hydrogen
Women's Royal Naval Service personnel launch Outward balloons at Felixstowe (1942–1944)
British military auxiliaries handle a barrage balloon.
An incendiary balloon is a balloon inflated with a lighter-than-air gas such as hot air, hydrogen, or helium, that has a bomb, incendiary device, or Molotov cocktail attached. The balloon is carried b
Operation Outward
…Fu-Go balloon bomb Fire balloon Graphite bomb…
Japanese Fu-Go balloon bombs were deployed during World War II
Helium party balloons bearing flammable materials launched from Bureij, Gaza Strip