Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym 1Y7 is...

1Y7 is

  • Yuma Proving Ground, Yuma, Arizona USA

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Acronym Definition Searched: WUFL WGCE 94254 10021 AMAP CPL VPF UPD RON RNV APHF 67741 CIRF JG ZTA