The HARDEST Part of Navy SEAL Training 😬

Published on September 17, 2025
Duration: 0:41

This entry details the OC8, a critical and challenging part of Navy SEAL training focused on underwater stress management. It highlights the importance of maintaining procedure and composure during simulated drowning, drawing on the first-hand account of a former SEAL. The drill emphasizes the dangers of panic and rapid ascent, underscoring the rigorous nature of BUD/S training.

Quick Summary

OC8 is a highly challenging drowning simulation within Navy SEAL training (BUD/S) designed to test procedural discipline under extreme underwater stress. Candidates endure ~20 minutes submerged, with half that time without air. Panicking and rapid ascent are critical hazards instructors actively prevent.

Chapters

  1. 00:00Introduction to OC8
  2. 00:11The Procedure and Stress Testing
  3. 00:21Personal Failure and Safety Hazards

Frequently Asked Questions

What is OC8 in Navy SEAL training?

OC8 is a critical and extremely difficult part of Navy SEAL training, specifically BUD/S, that simulates drowning. It tests a candidate's ability to maintain composure and follow procedures under intense underwater stress for extended periods.

How long do candidates spend underwater during OC8?

During the OC8 drill, Navy SEAL candidates are submerged for approximately 20 minutes. A significant portion of this time, around half, is spent underwater without breathing air, testing their limits.

What is the main danger during the OC8 drill?

The primary danger during OC8 is panicking and ascending too rapidly to the surface, known as 'rocketing.' This can be extremely hazardous, and instructors actively intervene to prevent candidates from doing so.

Who is John Allen (MrBallen) and what is his experience with OC8?

John Allen, also known as MrBallen, is a former Navy SEAL who shared his experiences on the Shawn Ryan Show. He recounted failing the OC8 test four times, highlighting the immense difficulty and the critical safety protocols involved.

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