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Guillow's Douglas SBD-3 Dauntless Item Number: 1003 Wingspan: Blown 94"
The Douglas SBD Dauntless was a naval dive bomber made by Douglas during World War II. The SBD was the United States Navy's main dive bomber from mid-1940 until late 1943, when it was largely replaced by the SB2C Helldiver. The aircraft was also operated by the United States Army as the A-24 Banshee.
The Northrop BT-1 provided the basis for the SBD, which began manufacture in 1940. Ed Heinemann led a team of designers who considered a development with a 1,000 hp (750 kW) Wright Cyclone powerplant. A year earlier, both the U.S. Navy and Marine Corps had placed orders for the new dive bombers, designated the SBD-1 and SBD-2 (the latter had increased fuel capacity and different armament). The SBD-1 went to the Marine Corps in late 1940, and the SBD-2 went to the Navy in early 1941.
The next version, designated SBD-3, began manufacture in early 1941. It provided increased armor, self-sealing fuel tanks, and four machine guns. The SBD-4 provided a 12 volt (from 6) electrical system, and a few were converted into SBD-4P reconnaissance platforms.
Comparison of the XBT-1 and XBT-2 (SBD).
The U.S. Army had its own version of the SBD, known as the A-24 Banshee, which lacked the tail hook used for carrier landings, and a pneumatic tire replaced the solid tail wheel. First assigned to the 27th Bombardment Group (Light) at Hunter Field, Ga., A-24s participated in the Louisiana maneuvers during September 1941. There were three versions of the Banshee (A-24, the A-24A and A-24B) used by the Army in the early stages of the war. The USAAF used 948 of the 5,937 Dauntlesses built.
The United States Army Air Forces sent 52 A-24 Banshees in crates to the Philippine Islands in fall 1941 to equip the 27th Bombardment Group, whose personnel arrived separately. However with the early December attack on Pearl Harbor, these aircraft were diverted to Australia and the 27th BG fought on Bataan as infantry. While in Australia, these aircraft were reassembled for flight to the Philippines, but missing parts including solenoids, trigger motors, and gun mounts delayed shipment. Plagued with mechanical problems the A-24s were diverted to the 91st Bombardment Squadron and designated for assignment to Java instead. Referring to themselves as "Blue Rock Clay Pigeons", the 91st attacked the enemy harbor and airbase at Bali and damaged or sank numerous ships around Java[citation needed]. After the Japanese shot down two A-24s and damaged three so badly they could no longer fly, the 91st received orders to evacuate Java in early March, ending a brief but valiant effort.
U.S. Navy and Marine Corps SBDs saw their first action at Pearl Harbor. A total of 18 SBDs from the carrier USS Enterprise arrived over Pearl Harbor during the Japanese attack, and Scouting Squadron Six (VS-6) lost six aircraft, while Bombing Squadron Six (VB-6) lost one. Most Marine SBDs of Marine Scout Bombing Squadron 232 (VMSB-232) were destroyed on the ground at Ewa Mooring Mast Field. On 10 December 1941, Enterprise SBDs sank the Japanese submarine I-70. In February-March 1942, SBDs from the carriers USS Lexington, Yorktown and Enterprise took part in various strikes on Japanese installations in the Gilbert Islands, Marshall Islands, New Guinea, at Rabaul, on Wake and on Marcus Island. Later, SBDs painted to resemble Japanese aircraft appeared in the John Ford film December 7th (1943).
Their relatively heavy gun armament - two forward firing .50 in (12.7 mm) M2 Browning machine guns and either one or two rear flexible-mount .30 in (7.62 mm) AN/M2 machine guns - was effective against the lightly built Japanese fighters, and many pilot-gunner combinations took an aggressive attitude to fighters which attacked them. One pilot - Stanley "Swede" Vejtasa - was attacked by three Mitsubishi A6M2 Zero fighters but managed to shoot two of them down and cut off the wing of the third in a head-on pass with his wing tip. [N 1]
However, the SBD's most important contribution to the American war effort probably came during the Battle of Midway in early June 1942, when SBD dive bomber attacks sank or fatally damaged all four of the Japanese aircraft carriers, three of them in the space of just six minutes (Akagi, Kaga, Soryu, and later in the day Hiryu) as well as heavily damaging two Japanese cruisers (including Mikuma).
Next, SBDs participated in the Guadalcanal campaign, both from American carriers and Henderson Field on Guadalcanal Island. Dauntlesses contributed to the heavy loss of Japanese shipping during the campaign, including the carrier Ryujo near the Solomon Islands on 24 August, damaging three others during the six-month campaign. SBDs proceeded to sink one cruiser and nine transports during the decisive Naval Battle of Guadalcanal.
During the decisive period of the Pacific Campaign, the SBD's strengths and weaknesses became evident. While the American strength was dive bombing, the Japanese stressed their Nakajima B5N2 "Kate" torpedo bombers, which had caused the bulk of the damage at Pearl Harbor.
Although it was becoming obsolete by 1941, the SBD was used until 1944, when the Dauntless undertook its last major action during the Battle of the Philippine Sea.
A VB-4 SBD-3 near Bodø, Norway, 4 October 1943.
However, some Marine squadrons in the Pacific used Dauntlesses until the end of the war. It had already been replaced by the SB2C Helldiver in the U.S. Navy, much to the dismay of the pilots, many of whom believed the "Slow But Deadly" Dauntless was a better aircraft than the Helldiver, which gained the nicknames "Son of a Bitch 2nd Class" and "The Beast". The Dauntless was one of the most important aircraft in the Pacific Theatre of World War II, sinking more enemy shipping in the Pacific war than any other Allied aircraft. In addition, Barrett Tillman, in his book on the Dauntless, claims that the Dauntless has a "plus" score against enemy aircraft, considered a rare event for a nominal "bomber".
A handful of A-24 Banshees survived in the USAAF's inventory long enough to be taken over by the United States Air Force when that service became independent of the U.S. Army in 1947. The USAF instituted a new designation system for its aircraft, eliminating the "A-for-Attack" category. Twin-engined "A" types were redesignated as bombers (another Douglas product, the A-26 Invader becoming the B-26) while single-engined "A" aircraft were identified as fighters. As a result, the Banshee became known as the F-24, although the type was retired shortly thereafter in 1950.
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Guillow's Douglas A-24 Banshee Item Number: 1003 Wingspan: 32"
The A-24 had a short service career. At the outbreak of war the basic A-24 was to equip the 27th Bombardment Group, based in the Philippines. The collapse of the American position on the Philippines saw the aircraft diverted to Australia, where it equipped the 91st and 8th Bombardment Groups. The 91st took its aircraft to the Dutch East Indies, the 8th operated from the north coast of Australia. After suffering heavy losses during the first half of 1942, the A-24 was withdrawn to the training role.
In 1940, Army planners saw the shape of the war to come in the form of the German blitzkrieg defeat of the western Allies and destruction of France in a six-week campaign. The use of the Stuka as "flying forward artillery" for the armored formations was not lost on George C. Marshall and his staff. How close American participation in the war was no one knew; whatever it was, it was not sufficient time to develop a distinct dive-bomber of their own. The Navy was now taking delivery of the new Douglas dive bomber, and it appeared to easily meet the known specifications for such an airplane. Accordingly, the Army Air Corps obtained a Dauntless and tested it, with the result being an order for 500 de-navalized Dauntlesses, to be known as the A-24A "Banshee."
There was the problem of what to do with all these dive-bombers coming out of the Douglas factory. They ended up as squadron hacks and target tugs at training fields around the country. This was still underutilization of a combat airplane.
Following the invasion of Southern France in August 1944, the French Air Force returned to metropolitan France. While the Allies drove north up the Rhone Valley to connect up with the forces that broken out of Normandy and go on to confront the main German enemy, the French were left with the responsibility of driving the rest of the Germans out of France. This struggle - fought between September 1944 and the end of the war in May 1945, is little-known outside of France. The Germans were not pushovers and the French armed forces were not that well-equipped and supported. Hitler ordered the German forces holding the Atlantic ports that had been used as U-boat bases to hold their positions and turn them into fortress cities. These ports held out to the final surrender in May.
Eventually, in early 1945, the Groupes de Chasse-Bombardement were re-equipped with the P-47D Thunderbolt, capable of carrying a heavier load of bombs and guns than three A-24s combined. The surviving A-24s ended their days at places like Meknes, in Algeria, performing target towing and other utility missions.
The Douglas A-24 Banshee was a WW2 USAAF dive bomber heavily based on the US Navy's Douglas SBD Dauntless dive bomber. When the Banshee was introduced operationally in 1940, it proved to have an unacceptable rate of attrition in action due to enemy fighters and had to be transferred to a training role in early 1942, it's dive bomber role being taken over by more suitable aircraft such as the P-47 Thunderbolt fighter bomber. A total of 5,936 Douglas A-24 Banshees were produced and it is of note that some remained operational with the Mexican air-force until 1959.
A total of 5,936 SBDs were produced in World War II. When the last SBD rolled off the assembly lines at Douglas Aircraft Company's El Segundo plant on 21 July 1944, it marked the final dive bomber which the Navy was to buy. The Navy placed emphasis on the heavier, faster and longer-range SB2C. From Pearl Harbor until April 1944, SBD's had flown 1,189,473 operational hours, with 25 percent of all operational hours flown off aircraft carriers being in Dauntless aircraft. Its battle record shows that besides the four Japanese carriers, 14 enemy cruisers have been sunk, six destroyers, 15 transports or cargo ships and scores of various lesser craft.
The US Navy had been a pioneer in the development of dive-bombing techniques as a means of attack enemy shipping. In contrast, the US Army Air Corps had long been committed to strategic bombing, and had almost completely neglected dive bombing. However, the spectacular results obtained by German Ju 87 Stuka dive bombers during the offensives against Poland, Norway, Denmark, Belgium, Holland and France at the beginning of the Second World War sparked a renewed interest in dive bombing on the part of the USAAC. To explore the possibility of acquiring dive bombers for its own use, in July 1940, the Army borrowed a number of newly-issued Marine Corps SBD-1 Dauntless dive bombers, and had them evaluated by the 24th Bombardment Squadron.
The results of the evaluation were quite favorable, and on September 27, 1940 the War Department ordered 78 examples of the Dauntless under the designation A-24-DE. Although intended for the Army, the aircraft had to be ordered under Navy contracts since the Navy had jurisdiction over the Douglas El Segundo plant. Serials were 41-15746 through -15823.
The first A-24 was delivered to the Army on June 17, 1941. The first operational A-24 unit was the 27th Bombardment Group. It was in the process of been shipped to the Philippines when the war broke out.
In 1940, after the amazing success of the German Stuka dive bombers in Poland, the U.S. Army Air Corps ordered 78 of the U.S. Navy’s Douglas SBD Dauntless dive bomber, designating it as the A-24. Fifty-four went to Australia, where in 1942 they had a less-than-glorious combat record flying against Japanese targets in Java and New Guinea. The A-24s were regarded as “too slow, too short-ranged, and too poorly armed.” They were relegated to non-combat missions after five of seven airplanes were lost and one was badly damaged on a mission over Buna, New Guinea.
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