The following bombers dropped incendiary cluster bombs around the point.

Incendiary cluster bombs are intended to start fires, just as conventional incendiary bombs (also called firebombs).

The M-69 incendiary cluster bomb was used to target Japanese cities during World War II.

There were a couple different bombs selected for use: one 500 pound general-bomb on every craft, the M-69 incendiary bomb, and the E-46 incendiary cluster.

Along with incendiary cluster bombs, these were among the first forms of cluster bombs produced by Germany during World War II.

The most successful bomb to come out of the May-September 1943 tests against the mock-up Japanese homes was the napalm-filled M-69 Incendiary cluster bomb.

The incendiary bombs were divided between the M-47, petroleum based incendiary bomb and the E-46 incendiary cluster bomb, a jelly-napalm based incendiary bomb.

Across the pier the E.A. Bryan already loaded with 6,064 tons of ammunition had an additional 176 tons on the pier, including 60 tons of incendiary clusters, to be loaded before sailing.

XXI Bomber Command attacked Tokyo three times between 27 November and 3 December; two of these raids were made against the Musashino aircraft plant while the other targeted an industrial area using M-69 Incendiary cluster bombs, specifically developed to damage Japanese urban areas.