This isn't some phony round-the-flagpole ride, either. ", Murphy, Robert D., Michael J. Rao, G.A. [96] The B-2 lacks afterburners as the hot exhaust would increase the infrared signature; breaking the sound barrier would produce an obvious sonic boom as well as aerodynamic heating of the aircraft skin which would also increase the infrared signature. [91] The DMS will be upgraded by 2021 to detect radar emissions from air defenses to allow changes to the auto-router's mission planning information while in-flight so it can receive new data quickly to plan a route that minimizes exposure to dangers. You will never see it or hear it coming (48737700617).jpg 2,061 × 1,374; 469 KB. It is capable of all-altitude attack missions up to 50,000ft, with a range of more than 6,000nm unrefuelled and over 10,000nm with one refuelling, giving it the ability to fly to any point in the world within hours. In addition, the B-2's terrain-following/terrain-avoidance radar had difficulty distinguishing rain from other obstacles, rendering the subsystem inoperable during rain. [38], The total "military construction" cost related to the program was projected to be US$553.6 million in 1997 dollars. Winchester, Jim, ed. [47], Some B-2 advocates argued that procuring twenty additional aircraft would save money because B-2s would be able to deeply penetrate anti-aircraft defenses and use low-cost, short-range attack weapons rather than expensive standoff weapons. [97] Due to the B-2's composite structure, it is required to stay 40 miles (64 km) away from thunderstorms, to avoid static discharge and lightning strikes. [5] As of 2018, twenty B-2s are in service with the United States Air Force, which plans to operate them until 2032, when the Northrop Grumman B-21 Raider is to replace it. The B-2 Spirit bomber is a standout among military planes -- and also the world's most expensive at more than $2 billion each. Images The stealth bomber features low observable stealth technology and is designed for penetrating anti-aircraft defenses. [56], In July 2010, political analyst Rebecca Grant speculated that when the B-2 becomes unable to reliably penetrate enemy defenses, the Lockheed Martin F-35 Lightning II may take on its strike/interdiction mission, carrying B61 nuclear bombs as a tactical bomber. [85] The onboard DMS is capable of automatically assessing the detection capabilities of identified threats and indicated targets. ", "Engineer jailed for selling US stealth bomber technology to China. [4], The total program cost projected through 2004 was US$44.75 billion in 1997 dollars. ", "USAF updates firefighter training and equipment following B-2 tailpipe fire", "The US Navy -- Fact File: AGM-154 Joint Standoff Weapon (JSOW)", "New Video Of B-2 Bomber Dropping Mother Of All Bunker Busters Sends Ominous Message", "Air Force names final B-2 bomber 'Spirit of America", "Air Force, Options to Retire of Restructure the Force would Reduce Planned Spending, NSIAD-96-192. This includes development, procurement, facilities, construction, and spare parts. [7] During this war, six B-2s flew non-stop to Yugoslavia from their home base in Missouri and back, totaling 30 hours. But, Work said, all soldiers contributed to the efforts and successes of the unit. The stealth bomber features low observable stealth technology and is designed for penetrating anti-aircraft defenses. [16] The Northrop proposal was code named "Senior Ice" and the Lockheed proposal code named "Senior Peg". Also, the crew is trained to deal with the rigors of a 40-hour mission. The aircraft was destroyed, a hull loss valued at US$1.4 billion. The B-2 Spirit’s stealth needs and unique mission meant that the airframe and the engineering behind it had to go above and beyond. Staff working on the B-2 in most, if not all, capacities have to achieve a level of special-access clearance, and undergo extensive background checks carried out by a special branch of the Air Force. Kitchen and G.B. These tanks were scraped in favor of the contrail sensor which was developed for the production variation of the aircraft. The concept was to build an aircraft with an airframe that deflected or absorbed radar signals so that little was reflected back to the radar unit. 2 internal bays for ordnance and payload with an official limit of 40,000 lb (18,000 kg); maximum estimated limit is 50,000 lb (23,000 kg). [67] The B-2 stored in a $5 million specialised air-conditioned hangar to maintain its stealth coating. It has significant advantages over previous bombers due to its blend of low-observable technologies with high aerodynamic efficiency and large payload. [64], Although the Air Force previously planned to operate the B-2 to 2058, their FY 2019 budget moved up its retirement to "no later than 2032". The incident marks the first operational loss of a B‑2 bomber. A key improvement was the introduction of computer models used to predict the radar reflections from flat surfaces where collected data drove the design of a "faceted" aircraft. May 31, 2017 - This is the B2 Spirit Stealth Bomber's cockpit. ", "Why the Air Force Only Has 20 B-2 Spirit Stealth Bombers", "America's New B-21 Stealth Bomber vs. Russia's S-300 or S-400: Who Wins? A bomber is a combat aircraft designed to attack ground and naval targets by dropping air-to-ground weaponry (such as bombs), launching torpedoes, or deploying air-launched cruise missiles. Chief of Staff of the United States Air Force, dropped five JDAMs on the Chinese Embassy, 2008 Andersen Air Force Base B-2 accident, National Museum of the United States Air Force, List of active United States military aircraft, "B-2 Bomber: Cost and Operational Issues Letter Report, GAO/NSIAD-97-181. [67], The development and construction of the B-2 required pioneering use of computer-aided design and manufacturing technologies, due to its complex flight characteristics and design requirements to maintain very low visibility to multiple means of detection. Additional reduction in its radar signature was achieved by the use of various radar-absorbent materials (RAM) to absorb and neutralize radar beams. [91] Engine thrust became a key element of the B-2's aerodynamic design process early on; thrust not only affects drag and lift but pitching and rolling motions as well. [65][107] The flying wing design most closely resembles a so-called infinite flat plate (as vertical control surfaces dramatically increase RCS), the perfect stealth shape, as it would lack angles to reflect back radar waves (initially, the shape of the Northrop ATB concept was flatter; it gradually increased in volume according to specific military requirements). Both crew members successfully ejected, but the aircraft was destroyed. [60] In 2012 projections, it was estimated that the Next-Generation Bomber would have an overall cost of $55 billion. View images of the B-2 Spirit on this page. The display airframe is marked to resemble Spirit of Ohio (S/N 82-1070), the B-2 used to test the design's ability to withstand extreme heat and cold. [44], In time, a number of prominent members of Congress began to oppose the program's expansion, including later Democratic presidential nominee John Kerry, who cast votes against the B-2 in 1989, 1991 and 1992 while a U.S. Both during development and in service, considerable effort has been devoted to maintaining the security of the B-2's design and technologies. Apr 28, 2016 - Explore Candy's board "B-2 Stealth Bomber" on Pinterest. [110], RCS reduction as a result of shape had already been observed on the Royal Air Force's Avro Vulcan strategic bomber,[111] and the USAF's F-117 Nighthawk. This viewing was heavily restricted, and guests were not allowed to see the rear of the B-2. Mahulikar. The B-2 Spirit is a low-observable, strategic, long-range, heavy bomber capable of penetrating sophisticated and dense air-defence shields. GENERAL ACCOUNTING OFFICE WASHINGTON DC NATIONAL SECURITY AND INTERNATIONAL A FFAIRS DIV, August 1995, p.16, 20, "Moisture in sensors led to stealth bomber crash, Air Force report says.". ", "USAF Awards B-2 Radar Upgrade Production. The mission, part of the annual South Korean–United States military exercises, was the first time that B-2s overflew the Korean peninsula. [85], The B-2 has various conventional weapons in its arsenal, able to equip Mark 82 and Mark 84 bombs, CBU-87 Combined Effects Munitions, GATOR mines, and the CBU-97 Sensor Fuzed Weapon. [27], In October 2005, Noshir Gowadia, a design engineer who worked on the B-2's propulsion system, was arrested for selling B-2 related classified information to foreign countries. [113][114], Some analysts claim infra-red search and track systems (IRSTs) can be deployed against stealth aircraft, because any aircraft surface heats up due to air friction and with a two channel IRST is a CO2 (4.3 µm absorption maxima) detection possible, through difference comparing between the low and high channel.[115][116]. This page was last edited on 16 January 2021, at 17:55. [13] Further studies were ordered in early 1978, by which point the Have Blue platform had flown and proven the concepts. [28] Gowadia was convicted and sentenced to 32 years in prison for his actions. [139] There were also concerns an airstrike would make it difficult to positively identify Bin Laden's remains and so confirming his death would be difficult. ", "B-2 radar modernization program contract awarded. Rao, G.A. [101] Four pairs of control surfaces are located along the wing's trailing edge; while most surfaces are used throughout the aircraft's flight envelope, the inner elevons are normally only in use at slow speeds, such as landing. [80][81] The B-2 is capable of carrying 40,000 lb (18,000 kg) of ordnance. GAO/NSIAD-95-164. [78], The B-2, in the envisaged Cold War scenario, was to perform deep-penetrating nuclear strike missions, making use of its stealthy capabilities to avoid detection and interception throughout missions. [10], Plans were well advanced by the summer of 1975, when DARPA started the Experimental Survivability Testbed (XST) project. [81] The undersides are dark because it flies at high altitudes (50,000 ft (15,000 m)), and at that altitude a dark grey painting blends well into the sky. [143][144], United States Air Force (20 aircraft in active inventory). Thread Tools Search this Thread 5th May 2019, 17:50 #21 Chiefttp . The display airframe is marked to resemble Spirit of Ohio (S/N 82-1070), the B-2 used to test the design's ability to withstand extreme heat and cold. She features many advanced and modern avionics systems that were integrated into her design. ", "Program office brings home 'wounded warrior'. Hennigan, W. J., "The $105M resurrection of a B-2 stealth bomber". “The B-2 represents a huge leap in technology from our legacy platforms such as the B-52 and the B-1 bomber. The B-2's clean, low-drag flying wing configuration not only provides exceptional range but is also beneficial to reducing its radar profile. [73][74], Approximately 80 pilots fly the B-2. [7] The B-2 is highly automated, and one crew member can sleep in a camp bed, use a toilet, or prepare a hot meal while the other monitors the aircraft, unlike most two-seat aircraft. All 21 copies brought to Block 30 standard. [30] By the early 1990s, the Soviet Union dissolved, effectively eliminating the Spirit's primary Cold War mission. ", "Semantic Designs Aligns with Northrop Grumman to Modernize B-2 Spirit Bomber Software Systems", "Northrop Grumman Adding Mobile Targets to B-2 Bomber Capabilities. During the 1980 presidential election campaign in 1979, Ronald Reagan repeatedly stated that Carter was weak on defense, and used the B-1 as a prime example. [121] B2SS hangars are known to have been deployed to Naval Support Facility Diego Garcia and RAF Fairford. Hennigan, W. J., "The $105M resurrection of a B-2 stealth bomber". The decision to retire the B-2 early was made because the small fleet of 20 is considered too expensive per plane to retain, with its position as a stealth bomber being taken over with the introduction of the B-21 Raider starting in the mid-2020s. Good Evening All: I found this video on another aviation web site which has the first cockpit video I have ever seen of a B-2 Spirit in flight. [148] The cause of the crash was later determined to be moisture in the aircraft's Port Transducer Units during air data calibration, which distorted the information being sent to the bomber's air data system. [103] The original design had tanks for a contrail-inhibiting chemical, but this was replaced in production aircraft by a contrail sensor that alerts the crew when they should change altitude. Chief of Staff of the United States Air Force, dropped five JDAMs on the Chinese Embassy, 2008 Andersen Air Force Base B-2 accident, National Museum of the United States Air Force, List of active United States military aircraft, "B-2 Bomber: Cost and Operational Issues Letter Report, GAO/NSIAD-97-181. With aerial refueling support, the B-2 flew one of its longest missions to date from Whiteman Air Force Base, Missouri to Afghanistan and back. 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