unidentified anomalous phenomena
Defined in 1 dictionary — U.S. Code
United States Code
50 U.S.C. § 3373 — in this section
The term "unidentified anomalous phenomena" means—
(A) airborne objects that are not immediately identifiable;
(B) transmedium objects or devices; and
(C) submerged objects or devices that are not immediately identifiable and that display behavior or performance characteristics suggesting that the objects or devices may be related to the objects described in subparagraph (A).
50 U.S.C. § 3373b — in this section (2 versions over time)
The term “unidentified anomalous phenomena” has the meaning given such term in section 3373(n) of this title.