Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym YB-49 is...

YB-49 is

  • Northrop prototype B-49 Flying Wing Heavy Bomber

YB-49 is also in:

Acronym Definition Searched: UATW SLK ITCB OFN AFV TESS SPN 62692 US&FCS T65 WMRC WSBA BPO 48387 2U0