DO HARD THINGS

The Combat Fitness Blog

How Long Is Officer Candidate School? OCS Length by Branch

Combat Fitness

Published on: 19/02/2026

How long is OCS? Officer Candidate School runs 9.5 to 17 weeks depending on the branch. Compare Army, Navy, Air Force, Marine & Coast Guard OCS length.

Military Fitness

OCS Age Limit 2026: Eligibility by Branch (Army, Navy, Marines, Air Force)

Combat Fitness

Published on: 18/02/2026

OCS age limit by branch in 2026: Navy 35, Army 32, Marines 28, Air Force 39. See eligibility rules, age waivers, and how to qualify for officer school.

Military Fitness