I think it would likely be this group, if it is indeed military.
Some of the disciplines focused on in the training course are: infiltration techniques, advanced air operations, professional driving (offensive and off-road), personal defensive measures, and state-of-the-art communications, deep surveillance, tradecraft, weapons handling, hand-to-hand combat, signals intelligence, etc.
https://en.m.wikipedia.org/wiki/Intelligence_Support_Activity#:~:text=The%20United%20States%20Army%20Intelligence,originally%20subordinated%20to%20the%20US
I think it would likely be this group, if it is indeed military.
Some of the disciplines focused on in the training course are: infiltration techniques, advanced air operations, professional driving (offensive and off-road), personal defensive measures, and state-of-the-art communications, deep surveillance, tradecraft, weapons handling, hand-to-hand combat, signals intelligence, etc.