![]() ![]() However, the B-2's composite materials, special coatings and flying-wing design all contribute to its "stealthiness." Many aspects of the low-observability process remain classified. ![]() These signatures make it difficult for sophisticated defensive systems to detect, track and engage the B-2. The B-2's low observability is derived from a combination of reduced infrared, acoustic, electromagnetic, visual and radar signatures. A single aerial refueling extends this to some 10,000 miles and multiple visits to air tankers stretches the range indefinitely. They also provide an unrefueled range of approximately 6,000 nautical miles. of thrust) drive the airplane to a maximum speed described as "high subsonic," and to altitudes near 50,000 ft. Its low-observability provides freedom of action at high altitudes, thus increasing its range and a better field of view for the aircraft's sensors.įour General Electric F118-GE-100 non-afterburning turbofan engines (each delivering approximately 19,000 lbs. The blending of low-observable technologies with high aerodynamic efficiency and large payload gave the B-2 important advantages over existing bombers. Its capability to penetrate air defenses and threaten effective retaliation was expected provide an effective deterrent and combat force well into the 21st century. Its low-observable, or "stealth" characteristics give it a unique ability to penetrate an enemy's most sophisticated defenses and threaten its most valued, and heavily defended, targets. Along with the B-52 and B-1B, the B-2 provides the penetrating flexibility and effectiveness inherent in manned bombers. The B-2 Spirit is a multi-role bomber capable of delivering both conventional and nuclear munitions.
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