David Franklin Slater, 64, of Nebraska, after retiring as a Lieutenant Colonel from the U.S. Army, worked in a classified space at USSTRATCOM and held a Top Secret security clearance from in or around August 2021 until in or around April 2022. Slater pleaded guilty to willfully, improperly, and unlawfully conspiring to transmit National Defense Information classified as “SECRET,” which he had reason to believe could be used to the injury of the United States or to the advantage of a foreign nation, on a foreign online dating platform to a person not authorized to receive such information.