History

Strategic Bombing Matured Quickly During WWII

November 1, 2019David Vergun, DOD News
B-17 Flying Fortresses from the 398th Bombardment Group fly a bombing mission to Neumünster, Germany, April 13, 1945. Photo courtesy of U.S. Air Force.

B-17 Flying Fortresses from the 398th Bombardment Group fly a bombing mission to Neumünster, Germany, April 13, 1945. Photo courtesy of U.S. Air Force.

This article was originally published on Oct. 22, 2019, by the Department of Defense.


Strategic bombing — destroying enemy military and infrastructure targets and lowering their morale — became a significant part of America’s war strategy during World War II, although it was slow at first to get off the ground, so to speak.


Perhaps the earliest and most publicized use of strategic bombing was the Doolittle Raid on Tokyo and surrounding areas of Japan by 16 B-25B Mitchell medium bombers in April 1942.


A U.S. Army Air Forces North American B-25B Mitchell bomber takes off from the aircraft carrier USS Hornet, April 18, 1942, during the Doolittle Raid on Japan. Photo courtesy of U.S. Army Air Forces.

Despite causing a limited amount of damage and casualties on mainland Japan, the raid provided a morale booster to the American people, who still had the surprise attack on Pearl Harbor, Hawaii, fresh on their minds.


The Doolittle Raid also demonstrated the limitations of strategic bombing at this early stage in the war. The problem was that the aircraft didn’t have the range to return to the carrier, so it was a one-way mission.


As it turned out, most of the aircraft crash-landed in China — amazingly 77 of the 80 crew members survived the initial landings.


The Army realized it needed two things to make strategic bombing a success: longer-range bombers and the capture of islands closer to mainland Japan so aircraft could make a round trip.


Finally, in late 1944, the Army began the effective strategic bombing of Japan with its longer-range B-29 Superfortress heavy bombers, operating from the captured Mariana Islands and later from Iwo Jima in 1945. It augmented the B-17 Flying Fortress, which didn’t have the range or payload capacity necessary to travel long distances of over 3,000 miles.







A B-29 releases incendiary bombs on Yokohama in May 1945. Photo courtesy of the U.S. Air Force photo.

Meanwhile, in the European theater, distances from the United Kingdom to enemy-held territory were much shorter, so in 1942, the U.S. flew B-17 missions. However, these missions were at a cost in loss of planes and high U.S. casualties, because no long-range fighter aircraft were available to protect the bombers.


In 1943, however, the P-51 Mustang fighter proved to have the range needed to travel from the U.K. to Germany and other Axis areas. It was also employed in the North African and Pacific Theaters, where it provided bomber escort.


Incredibly, the Mustang remained in service until the early 1980s. The B-29s also proved so effective, they were used later during the Korean War.



A B-24 Liberator releases bombs over an oil refinery in Ploesti, Romania, Aug. 1, 1943. Photo courtesy of the U.S. Air Force.

After the war, when the Air Force became a separate service in 1947, it took over the mission of strategic bombing from the Army.


Strategic bombers today are an important component of America’s nuclear triad system, the other two being land-based intercontinental ballistic missiles and submarine-launched ballistic missiles.









David Vergun, DOD News
David Vergun, DOD News

For more content like this, visit defense.gov.

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