50 U.S.C. § 3024(i ) (U) UAP THREATEN FLIGHT SAFETY AND, POSSIBLY, NATIONAL SECURITY (U) UAP pose a hazard to safety of flight and could pose a broader danger if some instances represent sophisticated collection against U.S. military activities by a foreign government or demonstrate a breakthrough aerospace technology by a potential adversary. (U) Ongoing Airspace Concerns 50 U.S.C. § 3024(i) We have documented flight safety concerns and 1.4(g) , ••••••••••••••••••••••••• When aviators encounter safety hazards, they are required to report these concerns. Depending on the location , volume , and behavior of hazards during incursions on ranges , pilots may cease their tests and /or training and land their aircraft , as well as a deterrent effect on 1.4(g) reporting. 1.4(g) - 50 U.S . C. § 3024(i) a pilot briefly observed 1.4(a)(g) However , a 1.4(a)(g) • (U) The UAPTF has 11 reports of documented instances in which pilots reported near misses with a UAP . (U) Potential National Security Challenges (U) We currently lack data to determine any UAP are part of a foreign collection program or indicative of a major technological advancement by a potential adversary. We continue to monitor for evidence of such programs given the counterintelligence threat they would pose , particularly as some UAP have been detected near military facilities or by aircraft carrying the USG's most advanced sensor systems . 9 50 U.S . C. § 3024(i)