While "old but gold" is a moniker that could very appropriately describe the B-52 Superfortress, the venerable bomber is not without its issues. Instead of retiring the B-52s, the US Air Force plans to keep the old birds flying for many more years. To keep them flying, they are to be re-engined and upgraded. However, according to a new Government Accountability Office (GAO) report, the program will be delayed by another three years.
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