Official websites use .mil
Secure .mil websites use HTTPS
BN Leadership Contact
4th BN NCOIC - 801-878-5460
4th BN Chief of Training - 801-878-5276
Ruck March Challenge
Don't forget to bring your ruck sack to the course! The 640th Regiment (Regional Training Institute) invites you to participate in 26.2 mile ruck march challenge. While attending our courses, complete a total of 26.2 miles with at least 35 lbs. and earn the participant medal of completion. Do it all at once or break it up into shorter routes completed over a period of time. For details go to our Ruck Page.
Welcome to 4th Battalion of the 640th Regiment (Regional Training Institute)!
The military intelligence battalion teaches transition courses in all-source intelligence analysis, human intelligence, and counterintelligence. Advanced and senior leadership courses in the military intelligence branch are also taught. The battalion has been teaching such courses since 2005 and continues to generate readiness in individual training for all three components of the Army. Specific course dates can be found at atrrs.army.mil.