Abstract
Various models of the B-52 have been in service for the last 48 years and its projected life is for another 40 years. Ail of the Department of Defense's (DoD) strategic documents reflect the importance of the B-52 as one of our indispensable heavy bombers, both in the conventional and nuclear roles. Over the next several years the B-52 will receive upgrades to its avionics, communications, electro-optical viewing systems, and advanced weaponry; however, there is no mention of upgrading the B-52's engines. Advances in gas turbine engine performance and fuel efficiency offer an increase in the B-52's capability, such as: an increase in global range without refueling, fuel cost savings, and maintenance cost savings. The increased capability and associated cost savings make re-engining the B-52 attractive. In the sections that follow, the U.S. Air Force's Integrated High Performance Turbine Engine Technology (IHPTET) program, which is leading the way in advancing gas turbine engine technology, will be discussed and the B-52 engine upgrade will be put into perspective.
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