
The B-52 and Tu-22M3 bombers have remained in service for the US and Russian militaries, respectively, for decades, primarily because no direct successors have been developed that fully replicate their combinations of payload, range, flexibility
The B-52 and Tu-22M3 bombers have remained in service for the US and Russian militaries, respectively, for decades, primarily because no direct successors have been developed that fully replicate their combinations of payload, range, flexibility

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