The Martin XB-51 was an American trijet ground-attack aircraft. It was designed in 1945 and made its maiden flight in 1949. It was originally designed as a bomber for the United States Army Air Forces under specification V-8237-1 and was designated XA-45.

2012年10月6日 · The U.S. Air Force developed many experimental warplanes in the 1940s and 1950s, but the service was dead serious about the XB-51 and wanted it to make up several Tactical Air Command bomber squadrons.

2020年10月28日 · Why did the fledgling U.S. Air Force abandon the Martin XB-51 after evaluating only two prototypes? There are a number of theories that spin out of the distortions of revisionist history, but the...

This is a list of United States bomber aircraft, including those with the capability of bombing, meaning aircraft such as strike aircraft (also known as tactical bombers) and torpedo bombers are included. ^ a b c "B-17G Flying Fortress". Air Mobility Command Museum. Retrieved 2023-12-31. Andrade, John M. (1979).

2020年9月10日 · With a crew of 10, the bomber usually carried 4,000 pounds of bombs and had a service ceiling over 25,000 feet, with a maximum speed of 287 mph and a range over 2,000 miles. B-17s made their combat...

The Martin XB-51 was an American "tri-jet" ground attack aircraft designed to a 1945 United States Army Air Forces requirement. It was originally designed as an attack aircraft by the Air Force under specification V-8237-1 and was designated XA-45.

2024年6月2日 · In 1986, the Boeing B-1B Lancer, also known as "The Bone" (B-one), was introduced, able to carry a massive conventional payload of up to 75,000 pounds (34,019 kilograms), the largest of any U.S. Air Force aircraft.

2019年7月28日 · Even if the B-52 was born to be the mainstay of the U.S. Air Force (USAF) nuclear deterrent, the Stratofortress flew her first combat missions as conventional bomber during the Vietnam War: in...

It was an excellent movie, and the XB-51 was cast as the Gilbert XF-120, an aircraft being tested at Edwards AFB in California. One of my most favorite aircraft.

2019年9月25日 · The US Air Force has been conducting missions in Europe with B-52s and B-2s in order to project dominance against Russia and train with NATO partners, but the bomber …

The Stratofortress is one of six U.S. Air Force B-52H Stratofortress bombers and approximately 300 Airmen from Barksdale Air Force Base (AFB), Louisiana, deploying to Andersen AFB, Guam, in support of U.S. Pacific Command’s (PACOM) Continuous Bomber Presence (CBP) mission.

2022年12月8日 · The Air Force is moving to a two-bomber fleet of B-21s and Cold War-era B-52s, and plans to retire B-1s and B-2s in the next decade.

2024年2月12日 · A $48.6 billion overhaul of the B-52 is intended to keep it flying until about 2060, and part of a two-bomber fleet with the B-21.

2023年12月25日 · Despite being in service for over 70 years, the USAF still operates 72 B-52 bombers. The strategic bomber is expected to remain active with the USAF until 2050, …

2024年1月26日 · The backbone of the United States Air Force's long-range intercontinental strategic bombing force is undoubtedly the Boeing B-52 Stratofortress. In service since 1955, the eight-engine heavy bomber has flown actively throughout the Cold War and multiple Middle Eastern conflicts and remains in the skies today.

2012年1月1日 · The first USAF B-52s entered service in November 1955. Initial Air Force requirements for the long-range strategic bomber called for a crew of five, plus turret gunners. But the B-52B—the first deployed variant of the bomber—carried only one gunner, who manned four .50-caliber M3 machine guns.

2024年2月20日 · These developments will mark critical milestones in the Air Force’s effort to upgrade its fleet of 76 Cold War-era B-52s with new engines, radar, avionics, and other …

It replaced the Convair B-36 Peacemakeras the Air Force's heavy bomber, and remains in service today. B-52 Stratofortress Capabilities. The B-52 is capable of dropping or launching the widest array of weapons in the U.S. inventory. This includes gravity bombs, cluster bombs, precision guided missiles and joint direct attack munitions.

For more than 60 years, B-52s have been the backbone of the strategic bomber force for the United States. The B-52 is capable of dropping or launching the widest array of weapons in the U.S. inventory. This includes gravity bombs, cluster bombs, precision guided missiles and joint direct attack munitions.

2025年1月4日 · 分辨率 靶是用来进行成像系统分辨率测试的重要工具，以USAF1951为代表的分辨率靶是最为常用的。 该分辨率靶基于黑白相间的条纹进行设计，每组黑白条纹的间距是已知的，通常用线对数、线宽两种参数来表示分辨率。 分辨率靶的典型图案如下（thorlabs R1DS1N1负靶。 负靶为不透明基底，正靶为透明基底）： 可以看到，分辨率靶中的每三条等间隔的线构成一个图案，旁边有一个数字标志对应的序号（Element Number），每6个相邻的图案构成一组，旁边有 …