Case No. 39·United States
2008–2010·Skinwalker Ranch, Uintah Basin, Utah
United States.Skinwalker Ranch · AAWSAP and field experiments
U.S. DoD federal program (~USD 22M, 2008–2010), requested by Senator Harry Reid, contracted to the DIA and executed by Robert Bigelow's BAASS from the Skinwalker Ranch in Utah. It produced 38 Defense Intelligence Reference Documents (DIRDs) on exotic physics and biological effects. The first formally documented U.S. federal program after Project Blue Book — with contracts, paid receipts and testimony under declaration — and the direct precursor to AATIP (Elizondo) and the disclosure wave that culminates in AARO and the 2023–2025 congressional hearings. The case also folds in the three instrumented-measurement campaigns at the property —NIDS (1996–2004), BAASS and Brandon Fugal's televised team— and their results, of far lower evidential quality than the program's paperwork.
Year
2008–2010
Tier
A
Probability
60%
Category
Incident
Institutional evidence: multiple verifiable witnesses or official documentation. Three independent axes: the «tier» measures the strength of the evidence; the «probability» estimates how genuinely unexplained the case is —a natural phenomenon can remain unexplained, so it does not equal «non-prosaic»—; and the partition of explanations (below) says what it most plausibly was. So a well-documented case can have a possible hoax as its most plausible cause, and a Tier B is not, for that reason, a hoax.
Primary source · PDF
AARO Historical Record Report, Volume 1 (official PDF, Feb 2024)
Official AARO report reviewing AAWSAP/AATIP and the entire U.S. Government UAP record since 1945. Concludes it found no evidence of non-human technology or reverse-engineering programs. PDF hosted on aaro.mil.
Part 01
The years in question
The institutional story begins in 1994 when the Sherman family, owners of a 200-acre ranch in the Uintah Basin (Utah), report a disorienting sequence of phenomena: lights in the sky, cattle mutilations with 'clean' cuts, anomalous creatures, poltergeist activity and microwave-like experiences. Las Vegas journalist George Knapp publishes the first press series in 1996 and connects the Shermans with entrepreneur Robert Bigelow, who buys the ranch the same year for roughly USD 200,000 and sets up the National Institute for Discovery Science (NIDS, 1995–2004) with scientists like biochemist Colm Kelleher and astrophysicist Eric Davis. NIDS installs continuous surveillance for a decade but produces no peer-reviewed paper, and Bigelow shuts it down in 2004 citing methodological exhaustion.
In September 2008 the Department of Defense awards Bigelow Aerospace Advanced Space Studies (BAASS) a sole-source contract for USD 10 million —later extended to about 22 million— through the Defense Intelligence Agency. The formal program is called the Advanced Aerospace Weapon System Applications Program (AAWSAP); its DIA owner is Dr. James Lacatski, and its stated mandate is to study advanced aerospace threats with non-conventional propulsion and signatures. The main field site is Skinwalker Ranch: BAASS installs scientific instrumentation and a permanent team that documents incidents, gathers testimony and produces 38 Defense Intelligence Reference Documents (DIRDs) on warp drive, metric engineering, negative energy, biological effects of UAPs on witnesses, antimatter propulsion, metamaterials and communication with anomalous intelligences. AAWSAP transitions in 2010 to a narrower program called AATIP, managed inside the Pentagon by Luis Elizondo between 2010 and 2017.
The program becomes public on December 16, 2017 when the New York Times publishes Helene Cooper, Ralph Blumenthal and Leslie Kean's investigation revealing AATIP and the military videos Tic Tac, GIMBAL and GOFAST. Between 2018 and 2020 the 38 DIRDs are partially declassified via FOIA by John Greenewald (The Black Vault). In 2021 Lacatski, Kelleher and Knapp publish 'Skinwalkers at the Pentagon' telling the program from inside. In 2022 the Pentagon creates AARO (All-domain Anomaly Resolution Office), inheriting archive and mandate. In March 2024 AARO publishes the Historical Record Report (Volume 1), which explicitly reviews AAWSAP/AATIP and concludes —disputed by several participants— that it found no evidence of non-human technology or reverse-engineering programs. By 2024 multiple former AAWSAP/AATIP participants testify under declaration in congressional hearings, and the ranch continues documented in a History Channel series that reports anomalous incidents in real time with third-party instrumentation.
It is worth looking closely at what those campaigns did on the ground, because the experiments themselves carry a separate lesson. NIDS measured around the clock with cameras, dosimeters and magnetometers and even tried to 'provoke' the phenomenon with deliberate stimuli, but closed in 2004 without a single peer-reviewed paper —the phenomenon seemed to evade the camera pointed at it. Since 2018, owner Brandon Fugal's team —astrophysicist Travis Taylor and physicist Erik Bard, filmed by 'The Secret of Skinwalker Ranch' (History)— runs repeatable experiments with commercial instruments: drone and aircraft flights that lose GPS and control over one specific strip ('the Triangle'), gamma and ionizing-radiation spikes that appear and vanish within seconds —some correlated with nausea and skin irritation in personnel—, laser beams that deflect, projectiles that drift off course, and a dome-shaped subsurface anomaly mapped by ground-penetrating radar (GPR) and sonar. The aggregate result, however, is thin: reproducible localized effects but no isolated physical cause, no conclusive peer-reviewed finding, and a campaign funded by television production whose format rewards the photogenic incident over the silent negative. The most serious piece is a 2025 technical document proposing a falsifiable hypothesis —a 'pulsed piezo-plasma lens' (P³L)— with a four-experiment replicable suite; it is a proposal, not a verified result. At Skinwalker, to instrument has not been the same as to verify.
In June 2026, in a video recorded at filmmaker James Fox's request, Jacques Vallée —who was part of the BAASS science team— details the data infrastructure he designed for the program: a system of multiple 'data warehouses' called CAPELLA that accumulated roughly 260,000 'screened' reports (filtered and assessed by researchers, not raw internet stories) of anomalous objects in flight spanning ~70 years, and included —per Vallée— 'hundreds' of reports involving non-human creatures. Three caveats are needed to avoid over-reading the figure: (1) 260,000 is filtered intake volume, not residual unexplained cases; (2) the creatures claim is a first-hand testimonial assertion about a database that remains classified, not third-party verifiable; (3) 'non-human' in Vallée's lexicon points to his control-system / interdimensional hypothesis, not necessarily extraterrestrial biology. That Vallée designed AAWSAP's data architecture is consistent with the program's public record; the existence and exact contents of CAPELLA remain independently unaudited.
Part 02
Why this case moved the needle
It is the corpus's armor piece for the classified-program (human) narrative: the first post-Blue Book U.S. federal program with contracts, paid receipts, an office, a written mandate and verifiable documentary output. Its existence is no longer disputed — the dispute is about what it found. That separates it from claim-only cases (Cooper, Lazar) and puts it methodologically on the same level as Bolender 1969 or the Twining memo: it is not testimony, it is paperwork. Its second importance is structural: AAWSAP is the node from which the entire 2017–2025 disclosure stream hangs — AATIP, Elizondo, the Tic Tac videos, the creation of AARO, the Grusch–Burchett–Luna hearings. Any corpus that does not register it as Tier S or A loses the backbone of the last institutional cycle. Its fragility —which justifies Tier A and not S— is the phenomenological mix: the DIRDs cover topics that cross from exotic physics into paranormal without clean analytical separation, which keeps Skinwalker from being read as 'just' evidence of a classified program. What it says cleanly is this: the DoD paid a private firm to study all of that at once. Physicist Travis Taylor —later chief scientist of the UAP Task Force (2018–2021) and the face of the ranch's televised research— embodies that crossover between state and private study of Skinwalker.
It is worth not conflating two things the ranch blends, and which the case keeps on separate planes: the program is documented —hence Tier A—, but the televised field experiments are another matter. Thirty years of instrumented measurement (NIDS, the declassified part of BAASS and Fugal's team) have produced not a single conclusive peer-reviewed piece; what exists are reproducible localized effects with no isolated cause, captured without control groups, blinding or independent replication, and under a reality-TV format that rewards the photogenic incident. It is science-shaped spectacle more than controlled science. That is why the case rests its tier on the program's verifiable paperwork —not on the series' measurements— and its most serious experimental contribution is not any dramatic recording but the 2025 P³L protocol: a prosaic hypothesis (piezoelectric plasma) framed falsifiably and replicably. To instrument is not to verify: that, in the end, is the right yardstick for everything that happens at the ranch.
Part 03
What's left on paper
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Entrance to Skinwalker Ranch in Uintah County, Utah, focus of the DIA-funded AAWSAP program (2008–2010) and of three decades of instrumented measurement.
Wikimedia Commons · CC BY-SA 2.0
Documented evidence
- DIA–BAASS contract HHM402-08-C-0072, sole-source, September 2008, initial USD 10M extended to ~USD 22M (contract documents on FedBizOpps and replicated via FOIA)
- Letter from Senator Harry Reid to Deputy Secretary of Defense William Lynn (Jun 24, 2009) requesting SAP (Special Access Program) designation for the program
- Official Pentagon confirmation by spokesperson Susan Gough (2019–2021) of the existence, funding and mandate of AAWSAP
- 38 Defense Intelligence Reference Documents (DIRDs) produced by BAASS, partially declassified between 2018 and 2020 via FOIA (The Black Vault, Greenewald)
- NYT investigation published Dec 16, 2017 (Cooper, Blumenthal, Kean) revealing AATIP — successor program of AAWSAP — and the Tic Tac, GIMBAL and GOFAST videos
- Book 'Skinwalkers at the Pentagon' (Lacatski, Kelleher, Knapp, 2021): signed testimony by the DIA program director, the chief BAASS scientist and the journalist who has held the thread since 1996
- Internal Pentagon memoranda authenticated in DoD Inspector General investigations (2023) confirming the AAWSAP → AATIP → AARO chain of command
- Sworn testimony by Major David Grusch (2023) and officers related to the program before the House Oversight Committee (UAP subcommittee)
- Subsequent institutional acknowledgment: in 2023, AARO publicly designated Skinwalker Ranch as a 'high-priority signature-management test location'. As of June 2026, permanent field-station arrangements with continuous presence of a federally contracted science team are reported — announced deliverables: peer-reviewable instrumental data, stripped of television production value, submitted to independent physics review. No signed official public announcement yet
- Pattern extension in 2026: Burlison's congressional investigation against FFRDC contractors (MITRE, MIT Lincoln Laboratory, with next trail RAND / Aerospace / Northrop Grumman; ↗) reads BAASS — DIA's private sole-source contractor for a UAP program — as a precedent of the same corporate channel the Task Force is now investigating. AAWSAP is the corpus case where that channel first appears documented with contract and receipt
- NIDS field experiments (1996–2004): 24/7 surveillance with cameras, dosimeters and magnetometers and a provocation methodology; result → a catalogue of incidents but no peer-reviewed paper (closed in 2004 citing methodological exhaustion). Documented in 'Hunt for the Skinwalker' (Kelleher & Knapp, 2005)
- Televised experiments by Fugal's team (Taylor/Bard, History, 2018–present): localized GPS/drone failures in 'the Triangle', ionizing-radiation spikes with medical effects, laser deflection, projectile drift and a subsurface anomaly via ground-penetrating radar; result → reproducible effects but no isolated physical cause, no peer review or independent replication
- Technical document (2025): proposes the falsifiable 'pulsed piezo-plasma lens' (P³L) hypothesis and a four-experiment replicable protocol; result → still a proposal, no independent replication to date
- In episode 2 of 'The Bigelow Podcast' (Aug 11, 2026), Bigelow tells Knapp that BASS keeps 'copies of everything' — up to about 100 documents, more than double the 38 already-declassified DIRDs — and that the program employed 50 full-time researchers, calling it 'the largest program of its kind ever funded by the U.S. government.' This is a verbal claim by Bigelow, unaccompanied by any document or roster
Sources
- AARO — Report on the Historical Record of U.S. Government Involvement with UAP, Volume 1 (febrero 2024) — AARO Historical Record Report (Vol. 1): reviews AAWSAP/AATIP and concludes it found no evidence of technology of non-human origin. The PDF is distributed via media.defense.gov.
- Jacques Vallée — video grabado a pedido de James Fox (jun 2026): la base CAPELLA y los ~260.000 reportes screened de AAWSAP/BAASS — First-hand testimony of the data system's architect. The database remains classified; the 'non-human creatures' figure is not verifiable by third parties. Reported by IBTimes.
- Cooper, H. · Blumenthal, R. · Kean, L. — 'Glowing Auras and Black Money: The Pentagon's Mysterious U.F.O. Program' (NYT, 16 dic 2017) — Primary investigation that revealed AATIP — the successor program to AAWSAP.
- The Black Vault — Defense Intelligence Reference Documents (DIRDs) AAWSAP — Declassified archive of the 38 DIRDs via FOIA by John Greenewald.
- Reid, H. — Letter to Deputy Secretary of Defense William Lynn (24 jun 2009) — Letter archived by the NYT: requests SAP designation for AAWSAP.
- Lacatski, J. T. · Kelleher, C. A. · Knapp, G. — 'Skinwalkers at the Pentagon: An Insiders' Account of the Secret Government UAP Program' (RTMA, 2021) — Testimony signed by the program's DIA director, the BAASS scientific lead and the journalist. ISBN 978-1737457404.
- Kelleher, C. A. · Knapp, G. — «Hunt for the Skinwalker: Science Confronts the Unexplained at a Remote Ranch in Utah» (Paraview Pocket Books, 2005) — Account by the NIDS project director and the journalist; documents the surveillance and the provocation methodology, 1996–2004. ISBN 978-1416505211. Not peer-reviewed.
- «The Secret of Skinwalker Ranch» — serie de History (2020–presente) — Films the experiments of the Travis Taylor and Erik Bard team. Television production, not a peer-reviewed source.
- «Skinwalker Ranch: Investigating Localized Electromagnetic and Ionizing-Radiation Anomalies — Observations, Deep Dive, and an Adapted Test Protocol» (ResearchGate, 2025) — Open technical document (not peer-reviewed) proposing the P³L hypothesis and a protocol of four replicable experiments.
- The Bigelow Podcast — Episodio 2 (Knapp/Bigelow, 11 ago 2026): evolución de AAWSAP y consciencia — Primary source for the ~100 BASS documents and 50 full-time researchers figures; secondary coverage on MysteryWire/FOX40/CBS47 under the same headline ('Robert Bigelow Opens up about AAWSAP...'), inaccessible to direct fetch (403).
Patterns it exhibits (5)
Location
Skinwalker Ranch, Uintah Basin, Utah · 40.25°, -109.88°
Distribution of explanations
This case is classified among the model's hypotheses: the bar splits 100% by how much each explanation weighs (the uncertainty is spread across the hypotheses the case supports). Summed across the corpus they produce the comparable partition. It is a different question from the Probability above: that one estimates how likely the case is a genuinely unexplained phenomenon; this one splits which the explanation would be.
Modal hypothesis: Classified human technology 38% · sums to 100%
Structured analytical judgment, not a calibrated frequency. Forced classification: the mass the evidence cannot assign is spread across the hypotheses the case does support.
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Associated actors (5)




