M69 napalm incendiary bomb, that were used in bombing of Nagaoka in 1945. Exhibit at Niigata Prefectural Museum of History. The M69 incendiary bomblet was used in air raids on Japan and China during World War II, including the firebombing of Tokyo in 1945.

Mar 9, 2025 · As the cluster bombs fell they broke apart and the 38 6-pound (2.7 kilogram) AN-M69 bomblets in each cluster spread. These were filled with napalm and ignited by a white phosphorous charge. A total of 1,665 tons (1,510 Metric tons) of the incendiaries fell on the northeast section of Tokyo.

Mar 9, 2025 · The weapon chosen was the new M69 napalm bomb. It was a simple design. Weighing under seven pounds, it didn’t look like a typical bomb. Instead it was a hexagonal pipe just three inches in diameter and only 20 inches long …

The bomb used napalm (jelled gasoline) as an incendiary filler, improving on earlier designs which used thermite or magnesium fillers that burnt more intensely but were less energy/weight effective and easier to put out. [3]

The bomblet used napalm (jelled gasoline) as an incendiary filler, improving on earlier designs which used thermite or magnesium fillers that burned more intensely, but were less energy- and weight-efficient, and were easier to extinguish. [3]

M69 napalm incendiary bomb, that were used in bombing of Nagaoka in 1945. Exhibit at Niigata Prefectural Museum of History. The bomblet used napalm as an incendiary filler, improving on earlier designs which used thermite or magnesium fillers that burned more intensely, but were less energy- and weight-efficient, and were easier to extinguish. [4]

These plans came to fruition on March 9, 1945, when 334 B-29s Superfortresses, each loaded with roughly 5.5 tons of M-69 jellied gasoline cluster bombs, took off from their base in the Marianas headed for Tokyo.

Flying at altitudes of 5,000 to 7,000 feet (1,524–2,134 meters), the B-29s dropped their 7-ton bomb loads. As the cluster bombs fell they broke apart and the 38 6-pound (2.7 kilogram) AN-M69 bomblets in each cluster spread. These were filled with napalm and ignited by a white phosphorous charge.

The M69 sprays napalm jerry before or after landing by five second delay fuse and TNT. Napalm can be dispersed to the area of 100ft * 100ft. Sticking to buildings and people's clothes, the napalm gets fire by Magnesium, and then burn everything.

The M-69 incendiary cluster bomb was used to target Japanese cities during World War II. They were nicknamed 'Tokyo Calling Cards'.[1] The bomb used napalm as an incendiary filler, improving on earlier designs which used thermite or magnesium fillers …