Small Group Leader applicants have rated the interview process at US Army with 3 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 100% positive. To compare, the company-average is 70.1% positive. This is according to Glassdoor user ratings.
Here are the most commonly searched roles for interview reports -
Typical AIM marketplace. I think they have your OERs, so it’s probably not merit-blind. However, the group of folks that work there are excellent teammates, so they must be doing something right.