Doolittle raiders bomb Japan

A U.S. Army Air Force B-25B Mitchell medium bomber, one of sixteen involved in the mission, takes off from the flight deck of the USS Hornet for an air raid on the Japanese Home Islands, on April 18, 1942.

On 18th April 1942 sixteen B-25 bombers took off from the USS Hornet and headed for Japan. The unprecedented use of medium bombers from an aircraft carrier enabled the surprise attack on the Japanese homeland. Even with modifications and extra fuel the bombers were at the limit of their range and would not be able to return to the carrier. Instead, after bombing, they were to continue their flight over Japan and attempt to land in China or Russia.

When the USS Hornet was spotted by a Japanese patrol vessel the mission was brought forward, and the margin of error in the range was reduced even further. The crews all took off in the knowledge that they were very likely to have to crash land or ditch in the sea.

A crew member checks the lashings on his bomber aboard the USS Hornet, while behind him other crews check their planes in preparation for the Doolittle Raid on April 18, 1942.

American B-25B bombers rest on the flight deck of the USS Hornet, approaching the spot where the planes were launched on their raid on Tokyo, April 13, 1942. Escort ship in left background.

A U.S. Army Air Force B-25B bomber leaves the deck of the USS Hornet, for the historic raid on Tokyo under Maj. Gen. James Doolittle, on April 18, 1942. Each aircraft carried three 500-pound high-explosive bombs and one incendiary bomb.

The raid was led by Lt. Col. James H. Doolittle, his post action report was completed in May 1942, by which time he had been promoted:

The first enemy patrol vessel was detected and avoided at 3:10 a.m. on the morning of April 18. The Navy task force was endeavoring to avoid a second one some time after daylight when they were picked up by a third. Although this patrol was sunk it understood that it got at least one radio message off to shore and it was consequently necessary for us to take off immediately. The take-off was made at Latitude 35° 43’N Longitude 153° 25’E approximately 824 statue miles East of the center of Tokyo. The Navy task force immediately retreated and in the afternoon was obliged to sink two more Japanese surface craft. It is of interest to note that even at this distance from Japan the ocean was apparently studded with Japanese craft.

Final instructions were to avoid non-military targets, particularly the Temple of Heaven, and even though we were put off so far at sea that it would be impossible to reach the China Coast, not to go to Siberia but to proceed as far West as possible, land on the water, launch the rubber boat and sail in.

Upon take-off each airplane circled to the right and flew over the Hornet lining the axis of the ship up with the drift sight. The course of the Hornet was displayed in large figures from the gun turret abaft the island. This, through the use of the airplane compass and directional gyro permitted the establishment of one accurate navigational course and enabled us to swing off on to the proper course for Tokyo. This was considered necessary and desirable due to the possibility of change in compass calibration, particularly on those ships that were located close to the island.

All pilots were given selected objectives, consisting of steel works, oil refineries, oil tank farms, ammunition dumps, dock yards, munitions plants, airplane factories, etc. They were also given secondary targets in case it was impossible to reach the primary target. In almost every case primary targets were bombed. The damage done far exceeded our most optimistic expectations. The high degree of damage resulted from the highly inflammable nature of Japanese construction, the low altitude from which the bombing was carried out, and the perfectly clear weather over Tokyo, and the careful and continuous study of charts and target areas.

The best information available from Army and Navy intelligence sources indicates that there were some 500 combat planes in Japan and that most of them were concentrated in the Tokyo Bay area. The comparatively few fighters encountered indicated that home defense had been reduced in the interest of making the maximum of planes available in active theaters. The pilots of such planes as remained appeared inexperienced. In some cases they actually did not attack, and in many cases failed to drive the attack home to the maximum extent possible.

The anti-aircraft defense was active but inaccurate. All anti-aircraft bursts were black and apparently small guns of about 37 or 40 mm size. It is presumed that the high speed and low altitude at which we were flying made it impossible for them to train their larger caliber guns on us if such existed. Several of the airplanes were struck by anti-aircraft fragments but none of them was damaged to an extent that impaired their utility of impeded their progress.

The successful bombing of Tokyo indicated that, provided the element of surprise is possible, an extremely successful raid can be carried out at low altitudes with great damage and high security to equipment and personnel.

J.H. DOOLITTLE
Brigadier General, U.S. Army

The full report, detailing the experiences of each of the aircraft taking part can be found at Doolittle Raiders.

Above Tokyo, smoke rises from strikes on the Japanese mainland as the bombs dropped by Doolittle's raiders hit their targets on April 18, 1942. Unable to land the huge aircraft back on the USS Hornet, and running low on fuel, the bombers continued westward attempting to land in a friendly area in China.

Four unidentified Doolittle Raid crewmen, who bailed out over China from Aircraft #14, are escorted in a Chinese village before being reunited with other airmen in April of 1942. Most of the crew members made it to China, either crash landing, or bailing out over land. The assistance given by the Chinese to the airmen spurred the Japanese Imperial Army to carry out a retaliatory action called the Zhejiang-Jiangxi Campaign -- over the course of four months, entire villages were destroyed, and an estimated 250,000 Chinese civilians were killed.

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