P-38
-
What is the P-38 aircraft?
The P-38 was a fighter and fighter-bomber used by the U.S. Army Air Forces during World War II. It was a large, powerful aircraft used as a bomber escort, tactical bomber, and photo-reconnaissance platform. Built by Lockheed Aircraft Company, the P-38 was designed in 1937 as a high-altitude interceptor with heavy armament and a high rate of climb. It had a unique "twin-boom" configuration, housing the pilot and armament in a central pod, with engines in mid-wing nacelles extending to twin rudders joined by a horizontal tail.
The P-38 first flew in January 1939. The P-38J, which was in service by the spring of 1944, had a top speed of 414 miles per hour and a ceiling of 44,000 feet. It was armed with a 0.8-inch automatic cannon and four 0.50-inch machine guns.
1 Britannica SourceCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Who built the P-38 and when was it first used?
The Lockheed Aircraft Company built the P-38, a fighter and fighter-bomber used by the U.S. Army Air Forces in World War II. Hall Hibbard and Kelly Johnson designed the P-38 around two liquid-cooled in-line Allison engines, turbo-supercharged for high-altitude performance, as no American engine then had enough power. The first flight of the P-38 was in January 1939.
The first P-38s that were available in quantity, the F model, equipped with self-sealing fuel tanks and armor, entered service in November 1942.
1 Britannica SourceCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
What was the P-38's main role during World War II?
During World War II, the P-38 served the U.S. Army Air Forces in multiple roles due to its large size and powerful engines. It functioned as a bomber escort, tactical bomber, and photo-reconnaissance platform. While initially not fully utilized in Europe because of its size and the availability of other fighters, the P-38's high-altitude performance was decisive in the Pacific theater, where its range was valuable. The P-38 was also adapted for photo-reconnaissance as the F-5 variant and, in limited numbers, as a formation lead bomber or night fighter.
1 Britannica SourceCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
What makes the P-38's design different from other aircraft of its time?
The P-38 distinguishes itself from other World War II-era aircraft with its unique twin-boom design. Created by Lockheed, the P-38 featured a central pod housing the pilot and armament, with engines in mid-wing nacelles extending into tail booms and twin rudders connected by a horizontal tail.
Designed in 1937, it was built around two liquid-cooled, in-line Allison engines, enhanced with turbo-superchargers for high-altitude performance. This design made it a high-altitude interceptor with heavy armament and a high rate of climb. Its distinctiveness lay in its novel configuration and powerful engines, setting it apart from contemporaries like the P-40 Warhawk.
2 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
Which famous missions or pilots were associated with the P-38?
The P-38 fighter and fighter-bomber was used by the U.S. Army Air Forces during World War II as a bomber escort, tactical bomber, and photo-reconnaissance platform.
The P-38 was flown by many famous pilots, including Charles Lindbergh, who flew 50 combat missions in the P-38 Lightning. He also developed a technique to reduce the P-38's fuel consumption, which increased its operational range. Most of the top Army aces in the Pacific flew Lightnings because of the plane's decisive altitude advantage over Japanese fighters gained by the Lightningâs turbo-supercharged engines.
2 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles. -
How did the P-38 influence later aircraft and aviation technology?
The P-38 Lightning was designed in 1937, with its first flight in January 1939. It was innovative for its time, incorporating a unique twin-boom configuration and turbo-supercharged Allison engines for high-altitude performance.
The P-38 was among the first aircraft to encounter buffeting caused by shock waves during high-altitude dives when airflow approached the speed of sound. Despite some initial ambivalence from the Army Air Forces, its superior range and high-altitude performance were decisive in the Pacific theater. The P-51 Mustang became the outstanding high-altitude escort fighter of the war.
2 Britannica SourcesCreated from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
P-38, fighter and fighter-bomber employed by the U.S. Army Air Forces during World War II. A large and powerful aircraft, it served as a bomber escort, a tactical bomber, and a photo-reconnaissance platform.
Of the three outstanding Army fighters of the war (the others being the P-47 Thunderbolt and the P-51 Mustang), the P-38 was the first to fly by almost two and a half years. Built by the Lockheed Aircraft Company, it was designed to a 1937 specification calling for a high-altitude interceptor with heavy armament and a high rate of climb. No American engine then available produced sufficient power to satisfy the requirement, and designers Hall Hibbard and Kelly Johnson designed the P-38 around a pair of liquid-cooled in-line Allison engines, turbo-supercharged for high-altitude performance. For the airframe they adopted a unique âtwin-boomâ configuration, in which pilot and armament were contained in a central pod and the engines were mounted in mid-wing nacelles extending back into tail booms that mounted twin rudders and were joined by a horizontal tail.
The P-38 first flew in January of 1939 and proved to have exceptional performance, but at that time the Armyâs emphasis in fighter procurement was on the cheaper (and far less capable) P-39 and P-40. As a result, fewer than 100 P-38s were in service when America entered the war in December 1941. The first P-38 available in quantity, the F model, equipped with self-sealing fuel tanks and armour, entered service in November 1942. The P-38J, in service by the spring of 1944, had a top speed of 414 miles (666 km) per hour and a ceiling of 44,000 feet (13,400 metres); it was armed with a 0.8-inch (20-mm) automatic cannon and four 0.50-inch (12.7-mm) machine guns.
" height="20" alt="HEW Logo">
The P-38 was one of the first aircraft to encounter buffeting caused by shock waves that formed in high-altitude dives when local airflow approached the speed of sound. It was first committed to combat in North Africa in tactical support of ground forces, where it was forced to fight at low altitudes and, out of its element, suffered at the hands of more-nimble German Me 109s and Fw 190s. Partly in consequence and partly because many fighter pilots were intimidated by the Lightningâs size and complexity, the Army Air Forces were ambivalent about the P-38 and failed to exploit aggressively its superior range and high-altitude performance when it was the only fighter in Europe capable of escorting bombers deep into Germany. Conversely, Air Force leaders in the Pacific theatre seized on the decisive altitude advantage over Japanese fighters that was gained by the Lightningâs turbo-supercharged engines. A substantial proportion of P-38 production was committed to the Pacific, where its exceptional range was particularly valuable. Most of the top Army aces in the Pacific flew Lightnings.
The Lightningâs long range and high ceiling made it a natural for photo-reconnaissance, and cameras replaced guns in the F-5 version, which ranked second only to the British Mosquito as a workhorse of Allied photographic intelligence. A limited number of P-38s were fitted with a bombardierâs position in the nose of the central pod; termed âdroop-snoots,â these were used to lead formations of P-38s carrying two 2,000-pound (900-kg) bombs each, the entire formation dropping on the bombardierâs command. A few droop-snoots were fitted with radar for bombing through clouds, and, in the final days of the war in the Pacific, a handful of Lightnings were fitted with air-intercept radar for use as night fighters.
Manufactured only by Lockheed, the P-38 was built in significantly smaller numbers than the P-47 or P-51; just over 9,900 Lightnings of all models were produced. The P-38 was dropped from service after the war ended in 1945.