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What does RI stand for?

RI stands for Ranger Instructor (US Army Ranger School)

This definition appears somewhat frequently and is found in the following Acronym Finder categories:

  • Military and Government

See other definitions of RI

Other Resources:
We have 47 other meanings of RI in our Acronym Attic

Samples in periodicals archive:

Each class is followed up by three student-led practical exercises (PE) that allow the students to practice leadership positions and receive mentorship and instruction from Ranger instructors (R1s).
Within two years Tony had got his wings with the 101st Airborne, graduated in the top 10% at Officer Candidate School in Fort Benning, Georgia, had suffered the hell of the notoriously harsh Ranger School and had even become a ranger instructor.
The addition of these skills would allow Ranger Instructors to build on this base to improve the student's medical training and hand-to-hand combat proficiency.