Bob Lazar, S-4 and Element 115

Briefing

On the fifteenth of May 1989, during its 5 p.m. newscast, the Las Vegas television station KLAS-TV broadcast a live interview with a man whose identity was concealed and who was referred to only as “Dennis” [1]. He told reporter George Knapp that the US military was secretly studying alien technology in the Nevada desert near the base now widely known as Area 51, and that he had worked at a secret facility near Groom Lake where that technology was being reverse-engineered [1]. In a second round of interviews that November he was named: Robert “Bob” Lazar.

What Lazar described — a facility he called S-4, a fleet of disc-shaped craft, and a propulsion system running on a stable superheavy element with atomic number 115 — has become one of the most widely repeated accounts in the subject. It is also, on the record verified here, one of the most thinly documented. Every element of the S-4 claim rests on Lazar’s own testimony. What can be documented concerns the element, the court records, and the government’s later assessment.

Sequence of events

The fifteenth of May 1989 — first broadcast

• KLAS-TV broadcasts its first interview with Lazar live during the 5 p.m. newscast; his identity is concealed and he is referred to as “Dennis” [1].
• [WITNESS] He states that the US military is secretly studying alien technology in the Nevada desert near the base now widely known as Area 51, and that he worked at a secret facility near Groom Lake where alien technology was being reverse-engineered [1].
• [WITNESS] Describing the operation of one craft, he states: “It puts its belly to the target and then brings all of the amplifiers to power, and you know it shoots off in that direction.” [1]

November 1989 — the named interviews

• A second round of KLAS-TV interviews follows, in which Lazar is named [1]. A 1989 recording of his original interview material, in which he describes S-4 and the reverse-engineering project, is preserved and publicly viewable at the Internet Archive; the upload carries no explicit rights statement, and its licence is unverified [2].

June 1990 — the felony conviction

• Approximately seven months after the interviews that named him, Lazar pleads guilty in Nevada District Court to a felony count of pandering, following a police investigation into an illegal brothel operation. He receives a three-year suspended sentence with probation, which he completes satisfactorily [3].

1996 — the plea withdrawn, and refused

• Lazar petitions to withdraw the guilty plea, citing post-traumatic stress, suppression of his federal employment record, and inadequate legal counsel. The District Attorney’s office responds that the new claims are irrelevant to his admitted and documented criminal activity. The court denies the petition; he remains a convicted felon [3].

2003 to 2016 — element 115 is made, and named

• In 2003 a collaboration between Lawrence Livermore National Laboratory and the Joint Institute for Nuclear Research at the Flerov Laboratory in Dubna, Russia, synthesises element 115 by firing accelerated calcium-48 ions at americium-243 targets [4][5].
• The isotopes produced survive thirty to eighty milliseconds before alpha-decaying into isotopes of element 113, which themselves last roughly ten times longer before decaying [4].
• On the eighth of June 2016, IUPAC announces the proposed name moscovium (symbol Mc), crediting the discovery to JINR Dubna, Oak Ridge National Laboratory, Vanderbilt University and Lawrence Livermore National Laboratory, with the discovery experiments conducted on the Dubna Gas-Filled Recoil Separator [6].

March 2024 — the official assessment

• AARO publishes Volume 1 of its Historical Record Report, assessing that all of the named and described alleged hidden UAP reverse-engineering programmes either do not exist, or are authentic classified programmes misidentified as extraterrestrial-related [7].

Documentary record

The strongest documents in this file do not concern S-4 at all.

The element. Lawrence Livermore’s own account establishes that element 115 was made in 2003 from calcium-48 on americium-243, and that the isotopes lived for thirty to eighty milliseconds [4][5]. IUPAC’s announcement of the eighth of June 2016 gives it the name moscovium [6]. The element exists; the stable isotope of Lazar’s account does not appear in any record verified here, and rests on his testimony alone.

The court records. The Nevada District Court file — a 1990 criminal complaint and supporting police affidavit, and the 1996 plea-withdrawal petition with the District Attorney’s memorandum and the order denying it — establishes the felony pandering conviction and its unsuccessful later challenge [3]. This bears on credibility. It does not bear on whether S-4 exists.

The federal assessment. AARO’s Historical Record Report assesses that the claim the US government is reverse-engineering extraterrestrial technology “is, in large part, the result of circular reporting from a group of individuals … despite the lack of any evidence” [7]. In the passages verified here it does not name Lazar.

The FBI files. The Bureau has released three tranches of records on Lazar’s later company, United Nuclear Scientific Supplies, under FOIA to The Black Vault: 55 pages in November 2018, 130 pages in March 2023, and 56 of 357 pages reviewed in November 2023 [8]. Notably, the FBI states it holds no records concerning the 2017 raid on United Nuclear that features in the documentary Bob Lazar: Area 51 & Flying Saucers, although local police records reference FBI involvement — a discrepancy The Black Vault has opened a further FOIA case to resolve [8].

Open questions

1. Was Lazar ever employed where he says he was? No primary record fetched in this pass confirms or refutes his employment at any Nevada Test Site facility, at Los Alamos, or by a defence contractor. His personnel file, if one exists, is not in any document verified here.
2. Does S-4 exist? No fetched primary document establishes that a facility so designated exists at Papoose Lake.
3. The 2017 raid. The FBI’s stated absence of records conflicts with local police records referencing FBI involvement. Unresolved [8].
4. The United Nuclear federal case. A 2006–07 prosecution over the shipment of restricted chemicals is widely reported but could not be confirmed against a primary record in this pass; the relevant Consumer Product Safety Commission release did not serve. This archive treats it as unverified pending a fetched primary.
5. Does AARO address Lazar directly? Not in the passages verified here. Whether it does elsewhere in the document is unresolved [7].

Claims this archive will not carry

Three widely repeated details are absent from every source verified in this pass, and are therefore not asserted here:

• “Nine recovered craft.” The figure appears in nearly every retelling, including this archive’s own earlier brief. No source fetched and verified — not the KLAS coverage, not the archived 1989 footage description — states the number nine. It will not be asserted until a primary is in hand.
• The MIT and Caltech degrees. No registrar record, transcript, or institutional statement could be located in any allowlisted primary repository.
• The W-2 from the “Department of Naval Intelligence” and the Los Alamos telephone-directory listing. Both are widely reproduced online, but trace only to Lazar or to secondary retellings. No primary-repository copy was verified here.

Status

This file is CONFIDENTIAL — admitted to the archive on the strength of the broadcast record, the court records, the element-115 discovery documentation and the AARO assessment [1][3][4][7]. It is admitted as a documented claim, not as a documented event. The distinction matters: what is documented is that Lazar made these statements on television in 1989, that a superheavy element with atomic number 115 was later made and named, that it survives for milliseconds, that Lazar was convicted of a felony in 1990, and that the Department of Defense reported in 2024 that it found no empirical evidence for a reverse-engineering programme. What is not documented is S-4, the craft, the stable isotope, or Lazar’s employment.

The file remains open pending a primary record on Lazar’s employment history and The Black Vault’s outstanding FOIA case on the 2017 raid.

References

1. I-Team: A look at how Bob Lazar interviews match up with Pentagon’s admission of studying UFOs — KLAS-TV / 8 News Now, Las Vegas. Reporting on the 15th May 1989 live broadcast and the interviews conducted by George Knapp.
2. BOB LAZAR DOCUMENTARY (1989 ORIGINAL) — Internet Archive. Recording of the original 1989 interview material. No explicit rights statement; licence unverified.
3. Bob Lazar and his Nevada felony: Some key documents — Douglas Dean Johnson, reproducing Nevada District Court records: the 1990 criminal complaint and police affidavit, and the 1996 plea-withdrawal petition, District Attorney memorandum, and order denying.
4. Discovery of Elements 113 and 115 — Lawrence Livermore National Laboratory, Physical and Life Sciences Directorate. The 2003 synthesis and the 30–80 millisecond half-lives.
5. Lawrence Livermore credited with discovery of elements 115, 117 and 118 — Lawrence Livermore National Laboratory.
6. IUPAC is naming the four new elements nihonium, moscovium, tennessine, and oganesson — International Union of Pure and Applied Chemistry, 8th June 2016.
7. AARO Historical Record Report, Volume 1 (2024) — Executive Summary — All-domain Anomaly Resolution Office, US Department of Defense (transcribed at Wikisource), March 2024.
8. FBI File: Bob Lazar’s United Nuclear — The Black Vault (John Greenewald Jr.). FOIA releases of November 2018 (55 pages), March 2023 (130 pages) and November 2023 (56 of 357 pages reviewed).