BOMB DROPPED IN BROOKINGS, OREGON: In September, 1942, a Japanese submarine off the coast of Oregon launched a float plane loaded with two 76 kilogram incendiary bombs, which it succeeded in dropping in the Siskiyou National Forest, near Brookings, Oregon. A forest fire ensued. The fire was spotted by a fire lookout tower on Mount Emily and two rangers were dispatched to the site. They were able to control the fire throughout the night until a fire crew arrived the next morning. A recent rain had kept the area wet which helped the fire crews contain the blaze.
According to records reviewed after the war, the floatplane carried two bombs. Though both were dropped, no trace was found of the second bomb.
BALLOON BOMBS: Between 1944 and 1945, the Japanese hatched a new plot to attack and torment the American citizens. They launched more than 9,000 air-balloon bombs, 70 feet tall with a 33 foot diameter made of paper and filled with hydrogen. Each carried an anti-personnel bomb and two incendiary bombs. These were launched during the fall and carried across the Pacific Ocean in about three days via the jet stream at an altitude of 30,000 feet.
Three hundred sixty one of the balloons were found in 26 states, Canada and Mexico. Several were found in San Pedro, near Redding and near Santa Rosa, California. It is likely that more balloon bombs landed in unpopulated areas of North America.
CONSEQUENCES: Some of the balloon bombs were sighted by citizens and dispatched by fighter pilots. Others landed in populated areas and caused some degree of damage by igniting fires. One fatality and 22 injuries resulted from subsequent fires caused by the balloons.
TRAGIC RESULTS: In May, 1945, while picnicking, a balloon bomb was found by a woman and five children. A witness warned them away, but before they could retreat, the bomb exploded, creating a 1-foot deep, 3-foot wide hole and killing the woman and all the children. Their cause of their death was withheld from the public and stated “the six were killed by an explosion of unannounced cause.” Later the site was listed in the National Register of Historic Places and a monument built. The six are the only known deaths in the continental USA as a result of enemy action during WWII. Japanese visitors have since visited the monument to plant cherry trees as a symbol of peace.
BLACK-OUT: Due to a press black-out during the year of the attacks, no evidence of the success of the program reached Japan and the mission was considered a total fiasco, thus the program was abandoned.
POST WWII: The remains of balloons continued to be discovered during the 1940’s and 1950’s and two in the 1960’s.
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