| 2021 | Unnecessary IC Controlled Access Program expansion (2021) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 2015 | GO FAST incident | resolved_prosaic | 3.0 | 8.5 | 0 |
| 2012 | KONA BLUE proposed UAP recovery/reverse-engineering PSAP (post-2012) | resolved_prosaic | 0.0 | 7.2 | 0 |
| 2010s | Triangular UAS NVG case 1 (older) | resolved_prosaic | 0.0 | 3.0 | 0 |
| 2010s | Triangular UAS NVG case 2 (newer) | resolved_prosaic | 0.0 | 3.0 | 0 |
| 2009 | AAWSAP/AATIP UAP and paranormal research (2009-2012) | resolved_prosaic | 0.0 | 8.6 | 0 |
| 2009 | Alleged 2009-2010 off-world material transfer negotiation (former CIA official) | resolved_prosaic | 0.0 | 3.8 | 0 |
| 2004 | White House-tasked ET disclosure study (Northern Virginia, 2004-2007) | resolved_prosaic | 0.5 | 3.8 | 0 |
| 1999 | Alleged ~1999 'touched ET spacecraft' claim by former military officer | resolved_prosaic | 0.0 | 3.8 | 0 |
| 1998 | Stanford Sturrock Panel (1998) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1990 | 'UAP with peculiar characteristics' observation at U.S. military facility (1990s) | resolved_prosaic | 0.0 | 2.9 | 0 |
| 1990 | Allegation of 'aliens present' during 1990s materials test | resolved_prosaic | 0.0 | 2.9 | 0 |
| 1983-03 | Strategic Defense Initiative (Mar 1983) | resolved_prosaic | 0.0 | 5.1 | 0 |
| 1980 | B-2 Spirit Advanced Technology Bomber (1980) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1980 | GNAT 750 / Predator / Reaper / Dark Star / Polecat / Sentinel / Global Hawk UAV systems (1980s-present) | resolved_prosaic | 0.5 | 1.0 | 0 |
| 1977 | France GEPAN / SEPRA / GEIPAN (1977-present) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1975 | HAVE Blue / F-117A Nighthawk / TACIT Blue (1975) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1972 | Space Transportation System / Space Shuttle (1972-2011) | resolved_prosaic | 0.5 | 1.0 | 0 |
| 1971 | Hexagon reconnaissance satellite (1971-1986) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1967-11-06 | HQ D24c-185/70/508 — 1967-11-06 — Treysa, FRG | resolved_prosaic | 0.0 | 1.0 | 2 |
| 1967 | 1967 — Soviet Union | resolved_prosaic | 2.5 | 1.0 | 1 |
| 1966-02-25 | 1966-02-25 — Sahaurita, AZ | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1964 | Alleged 1964 UAP destruction of ICBM dummy reentry vehicle | resolved_prosaic | 0.0 | 3.8 | 0 |
| 1963 | Gambit reconnaissance satellite (1963-1971) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1962 | Poppy ELINT satellites (1962-1977) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1961 | Project Apollo (1961-1972) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1961 | Project Gemini (1961-1966) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1960s | Brazil/Norway/Washington D.C. physical evidence cases (Condon Report) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1960-09 | TATTLETALE / GRAB ELINT satellite (Sep 1960) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1960-07-27 | 1960-07-27 — Wright-Patterson AFB OH | resolved_prosaic | 0.0 | 1.0 | 2 |
| 1960-02-22 | 1960-02-22 — Wright-Patterson AFB OH | resolved_prosaic | 3.0 | 1.0 | 1 |
| 1958-01-31 | Explorer 1 (Jan 1958) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1958 | Oxcart / A-12 / SR-71 (1958) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1958 | VZ-9AV Avrocar / Project Silver Bug (1958) | resolved_prosaic | 2.0 | 1.0 | 0 |
| 1958 | Project Mercury (1958-1963) | resolved_prosaic | 0.0 | 1.0 | 0 |
| 1956-12-29 | 6690PS 116-Y — 1956-12-29 — Oxnard AFB, California | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-12-26 | 1956-12-26 — DeFuniak Springs, FL | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-12-19 | 4602D AISS UFOB — 1956-12-19 — Stewart AFB control tower, Newburgh, New York | resolved_prosaic | 0.0 | 1.0 | 2 |
| 1956-12-19 | 1956-12-19 — Waverly, IA | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-12-19 | 660TH ACWRON OPS 9617 — 1956-12-19 — Orlando, Florida (tower at Orlando) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-12-16 | OB 7260 — 1956-12-16 — Biloxi, Mississippi (31 deg 49 min N, 89 deg 18 min W) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-12-13 | 660TH ACWRON OPS 0802 — 1956-12-13 — Tampa, Florida | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-12-11 | 1956-12-11 — Iengley Air Yorce Base, VA | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-12-08 | REPORT NO. HQ 4059 — 1956-12-08 | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-12-04 | 1956-12-04 — Ridgewood, NY | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-12-04 | CNOIN 29305 — 1956-12-04 — 158 Street and Hamilton Place near City College, New York | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-12-04 | 1956-12-04 | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-12-03 | AISOC 1054 — 1956-12-03 — Hugo, Colorado | resolved_prosaic | 1.0 | 1.0 | 1 |
| 1956-12 | 1956-12 — Medford, OR | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-12 | 1956-12 | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-12 | 1956-12 — Woodstock, MN | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-11-27 | JEDLS 02H — 1956-11-27 — Millville, New Jersey (due east side of city) | resolved_prosaic | 0.5 | 1.0 | 2 |
| 1956-11-18 | 1956-11-18 — Zenia, OH | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-11-17 | 751 OPS 041-K — 1956-11-17 — 2 miles SSE of Linda Vista, California (near Naval Air Stati | resolved_prosaic | 0.0 | 1.0 | 2 |
| 1956-11-14 | 1956-11-14 | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-11-14 | ANOPS 11-070 — 1956-11-14 — Wisconsin (676th ACW Sq area near Antigo) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-11-14 | ANOPS 11-069 — 1956-11-14 — Nekoosa, Wisconsin | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-11-10 | 1956-11-10 — WSW Terre Haute, IN | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-11-10 | 1956-11-10 | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-11-06 | 1956-11-06 — Copake, NY | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-11-06 | ACRPT 110806 — 1956-11-06 — Sheridan Drive and Coleman Avenue, Buffalo, New York | resolved_prosaic | 1.0 | 1.0 | 1 |
| 1956-11-05 | 1956-11-05 — LOCATION Hollywood, CA | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-11-05 | CITE NO. 873 — 1956-11-05 — Parking lot of North American Aviation, Columbus, Ohio | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-11-04 | 82nd FtrGup UFOB — 1956-11-04 — Wilmington, Delaware (76 deg Long, 40 deg Lat) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-11 | 1956-11 — Bolleon Possibly Belleon Columbus, OH | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-10-27 | 1956-10-27 — Crane Village and Naval Ammunition Depot Crane, Indiana | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-26 | ATSOC 0073 (two UFOB reports) — 1956-10-26 — Pueblo, Colorado (38 deg 15 N / 104 deg 36 W) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-25 | EADF 26AD0IN UFOB — 1956-10-25 — Newburgh, New York (41 deg 54'N, 74 deg 10'W) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-25 | 670 TAC K-017 — 1956-10-25 — Hollywood / Santa Monica / West Los Angeles, California | resolved_prosaic | 0.0 | 1.0 | 2 |
| 1956-10-21 | 1956-10-21 — California Institute for Men, Tehachapi, California | resolved_prosaic | 1.5 | 1.0 | 1 |
| 1956-10-18 | 1956-10-18 | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-10-15 | 1956-10-15 — Newburgh, New York | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-13 | 1956-10-13 | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-10-13 | 1956-10-13 — vicinity of Schuylkill Airport, Pennsylvania (sighting from | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-11 | 26 ADOIN ATTN: CIC (NB) UFOB — 1956-10-11 — Vicinity of 55th St / Palisade Avenue (likely New York / New | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-07 | 1956-10-07 — 4.5 miles west of Brainerd Field, Connecticut | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-10-04 | 1956-10-04 — Denver, CO | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-10-03 | 1956-10-03 — A S ADEBOLT, IA | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-10-02 | AISOC 0884 — 1956-10-02 — Pueblo, Colorado (AJ4326) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-09-30 | AISOC 0036 — 1956-09-30 — Whitewater, Wisconsin | resolved_prosaic | 1.1 | 1.0 | 2 |
| 1956-09-29 | 1956-09-29 — 4813 S Brookline, Will Rogers Field, Oklahoma City, Oklahoma | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-09-29 | BFODO 2202 — 1956-09-29 — Hamilton, Ohio (FL 1558) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-09-28 | JESYQ-17B — 1956-09-28 — Lafayette, Louisiana area (also west of Lake Charles, over L | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-09-27 | ARFC 4382 — 1956-09-27 — Brooks AFB, San Antonio, Texas (29 deg 20'N 98 deg 27'W) | resolved_prosaic | 0.0 | 1.0 | 2 |
| 1956-09-18 | AISOC 6849 — 1956-09-18 — Pueblo, Colorado (AJ 2516) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-09-17 | INTEL 587 — 1956-09-17 — Vincennes, Indiana (Cd-2742) | resolved_prosaic | 2.0 | 1.0 | 1 |
| 1956-09-17 | 1956-09-17 — Force Rakalar Air Fores Base Golwnabus, IN | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-09-15 | 1984-2 AACS Det (per AFR 200-2) — 1956-09-15 — Control Tower, Altus Air Force Base, Oklahoma (34 deg 40'30" | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-09-06 | 1956-09-06 — Wrighte Patterson Air Force Base Dayton, OH | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-09-05 | 1956-09-05 — Camp Drum, NY | resolved_prosaic | 0.0 | 4.0 | 9 |
| 1956-09-04 | 1956-09-04 — FORCE BASF, OH | resolved_prosaic | 1.4 | 4.0 | 1 |
| 1956-09-04 | AISOC 0822 — 1956-09-04 — Kalispell, Montana | resolved_prosaic | 1.1 | 1.0 | 4 |
| 1956-09-04 | 4602ND AISS AISOC 393 — 1956-09-04 — Rock Flats, Colorado (OK S55) | resolved_prosaic | 0.0 | 1.0 | 4 |
| 1956-09-04 | 1!49 -!98, 48390 — 1956-09-04 — College Park, Maryland (also reported from National Airport) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-08-31 | BFODO 0007 — 1956-08-31 — Bellefontaine AFS, Ohio area | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-08-30 | 1956-08-30 — LOCATION Crestone, CO | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-08-26 | 1956-08-26 — West Haven, CT | resolved_prosaic | 0.0 | 4.0 | 1 |
| 1956-08-25 | COC 0291 — 1956-08-25 — Westerville, Ohio (HL 2709) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-08-24 | INT-8-105 — 1956-08-24 — Painsville, Ohio (also reported as Canton area) | resolved_prosaic | 0.0 | 1.0 | 1 |
| 1956-08-22 | CIC 4029 UFOB — 1956-08-22 — Northwest Atlanta, Georgia (apartment 578) | resolved_prosaic | 0.0 | 1.0 | 1 |