Boeing Completes Block E Avionics Upgrade of B-1 Bomber Fleet
(Source: Boeing Co.; issued Sept. 27, 2006)
ST. LOUIS --- The Boeing Company this week installed the final Block E avionics modification kit on the U.S. Air Force's active fleet of 67 B-1B Lancer long-range heavy bombers, completing a five-year, $680 million contract for enhanced computer hardware, software and weapons delivery capability.

The installation concluded the third phase of the Conventional Mission Upgrade Program (CMUP) undertaken in 1993 to convert the B-1 from a nuclear to a conventional role. A small number of CMUP-equipped Lancers delivered more tonnage of ordnance while flying fewer sorties than any other aircraft during Operation Iraqi Freedom.

"With at least 40 more years of airframe life, the CMUP-equipped B-1 forms a solid foundation for the network-centric upgrades currently being developed for it," said Greg Burton, Boeing director for B-1 and B-2 programs. "Connecting the airplane into the Global Information Grid will provide combat commanders with a potent long-range strike capability for decades to come."

The Block E modification replaces six computers with four, providing a 25-fold increase in throughput, memory and input/output margins required for conventional weapons capability, defensive systems upgrades and future growth. The package also integrates the Wind-Corrected Munitions Dispenser, the Joint Standoff Weapon and the Joint Air-to-Surface Standoff Missile, substantially augmenting the bomber's standoff capability.

Carrying the largest payload in the Air Force inventory, the multi-mission B-1B forms the backbone of America's long-range bomber force. Its low radar cross-section, variable-geometry wings, turbofan afterburning engines and advanced electronic countermeasures combine to provide long range, maneuverability and high speed while enhancing survivability.


A unit of The Boeing Company, Boeing Integrated Defense Systems is one of the world's largest space and defense businesses. Headquartered in St. Louis, Boeing Integrated Defense Systems is a $30.8 billion business. It provides network-centric system solutions to its global military, government and commercial customers. It is a leading provider of intelligence, surveillance and reconnaissance systems; the world's largest military aircraft manufacturer; the world's largest satellite manufacturer; a foremost developer of advanced concepts and technologies; a leading provider of space-based communications; the primary systems integrator for U.S. missile defense; NASA's largest contractor; and a global leader in sustainment solutions and launch services.

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