WASHINGTON — A nuclear engineer for the U.S. Navy and his spouse have been charged with attempting to share a few of the United States’ most carefully held secrets and techniques on submarine know-how with one other nation, in keeping with court documents unsealed on Sunday.
The engineer, Jonathan Toebbe, was accused of attempting to promote info on the nuclear propulsion system of U.S. Virginia-class assault submarines — the know-how on the coronary heart of a recently announced deal with Britain and Australia.
Whereas rivals like Russia and China have lengthy sought particulars of U.S. submarine propulsion, it was unclear whether or not the unsolicited supply was to an adversary or an ally.
Mr. Toebbe has labored for the army as a civilian since 2017 and was initially a part of the active-duty Navy. He has labored on naval nuclear propulsion since 2012, together with on know-how devised to cut back the noise and vibration of submarines, which may give away their location.
The categorized materials in query included designs that might be helpful to many various international locations constructing submarines. Within the Australia deal, america and Britain would assist the nation to deploy nuclear-powered submarines, that are geared up with nuclear propulsion programs that supply limitless vary and run so quietly that they’re arduous to detect.
Nuclear propulsion is among the many most carefully held info by the U.S. Navy as a result of the reactors are fueled by extremely enriched uranium, which will also be transformed to bomb gasoline for nuclear weapons. Constructing compact, protected naval reactors can also be a tough engineering process. Till the cope with Australia, america had shared the know-how with solely Britain, beginning in 1958.
In accordance with the court docket paperwork, the investigation into the Toebbes started in December 2020, when the F.B.I. obtained a bundle that had been despatched to a different nation with operational manuals, technical particulars and a proposal to determine a covert relationship. The bundle was intercepted within the different nation’s mail system and despatched to an F.B.I. authorized attaché.
“Please ahead this letter to your army intelligence company,” a be aware within the bundle learn. “I consider this info can be of nice worth to your nation. This isn’t a hoax.”
The F.B.I. adopted the directions within the bundle and started an encrypted dialog, by which the sender provided Navy secrets and techniques in return for $100,000 in cryptocurrency.
Over a collection of exchanges, the F.B.I. persuaded the sender to go away info at a useless drop in return for cryptocurrency funds. The F.B.I. then noticed Mr. Toebbe and his spouse, Diana Toebbe, on the location of the drop, in West Virginia.
With Ms. Toebbe appearing as a lookout, Mr. Toebbe left an SD card hid inside half a peanut butter sandwich in a plastic bag, in keeping with the court docket paperwork. After the spy retrieved the sandwich, Mr. Toebbe was despatched $20,000.
Brokers then arrange one other useless drop in Pennsylvania and a 3rd in Virginia, the place they mentioned Mr. Toebbe deposited an SD card hid in a bundle of chewing gum.
Whereas working on the Bettis Atomic Energy Laboratory, a little-known authorities analysis facility in West Mifflin, Pa., Mr. Toebbe would have had entry to the paperwork that he’s accused of passing to the undercover F.B.I. officer.
Lots of the particulars of the exchanges have been redacted within the court docket paperwork, however there was a reference to scaled drawings and upkeep particulars. One cited a be aware, which the paperwork recommend was written by one of many Toebbes, that the data “displays a long time of U.S. Navy ‘classes discovered’ that can assist preserve your sailors protected.”
The F.B.I. and the Naval Legal Investigative Providers arrested Jonathan and Diana Toebbe on Saturday. They are going to seem in federal court docket in Martinsburg, W.V., on Tuesday.