Love him or hate him, over the years Greer has provided valuable witnesses a platform to speak, and wrote, in my opinion, a truly fantastic piece of work, his 2001 Disclosure Briefing document.
I do highly recommend reading through the entirety of this module as it invokes the quality of the 2001 disclosure briefing document
To quote the 2001 disclosure document, quote,
began operations in 2001,
Circling back to the call notes, Greer made specific note to Ed serving under the first commander right around 2001 of the 98th Range Wing, or NTTR.