The Officer Candidate School of the Navy is a rigorous training program that lasts for a total of 12 weeks (At the time I write this, it will be 13 weeks in total). It is intended to test both your mental and physical capabilities simultaneously. The first few weeks are going to be the most challenging, but after you get through those, things will start to become better.
Attending Officer Candidate School for the Navy comes with a variety of advantages. The first benefit is that it enables me to pursue the career of my dreams. Second, it helps me become a better person by teaching me leadership and teamwork skills, both of which are extremely valuable in today’s world. Third, it compels me to do more effort than I ever imagined humanly possible in order to achieve your goals.
What Have I learned during the OCS
During my time at Navy OCS, I learned a lot of useful knowledge. I was educated in the areas of leadership, the military profession, physical fitness, and academics. In addition to this, I was able to get a deeper comprehension of the traditions and ideals upheld by the Navy.
My education on the subject of leadership was among the most valuable things I received. I was able to improve my leadership skills, as well as my ability to motivate and inspire others. I also gained an understanding of the various leadership styles and how to apply them in a productive manner.
Another significant thing that I picked up was information regarding the armaments (aka. military weapons). I was educated on the background of the Navy, including its history, traditions, and fundamental principles. I now have a greater regard for the devotion and dedication that officers/sailors have to their jobs.
At long last, I educated and trained myself on both physical activity and academics. I was able to improve both my academic performance and my physical fitness level via my time during OCS. In addition, I had a deeper appreciation for the significance of both in the Navy.
The Phases of Navy OCS
- Indoctrination (Indoc) (3 weeks): is for new recruits to the Officer Candidate School and lasts for three weeks. During this time, there is a lot of information that might be overwhelming to learn.
Navy OCS – Indoctrination (Week 1) (Part 1)
Navy OCS – Indoctrination (Week 1) (Part 2)
Navy OCS – Indoctrination (Week 1) (Part 3)
Navy OCS – Indoctrination (Week 1) (Part 4)
Navy OCS – Indoctrination (Week 1) (Part 5)
Navy OCS – Indoctrination (Week 2 – 3) - Officer Candidate (5 weeks) (JOC): is a phase serving as a transition after successfully passing the Indoc.
Navy OCS – Officer Candidate (Week 4)
Navy OCS – Officer Candidate (Week 5, 6)
Navy OCS – Officer Candidate (Week 7)
Navy OCS – Officer Candidate (Week 8, 9) - Candidate Officer (CandiO)(SOC) (4 weeks): An individual who is currently in the process of becoming a Navy Officer
Navy OCS – Candidate Officer (Week 10, 11, 12)
What a Typical Day at Navy OCS Looks Like
One of the most common questions I get is what the daily schedule at Navy OCS actually looks like. The days are long, tightly scheduled, and run on Navy time — especially during indoctrination, when every minute is accounted for. While the exact routine shifts as you move through the phases, a typical day at OCS follows this rhythm:
- Early reveille (around 0500, earlier during indoc): you are up before sunrise to make your rack, clean the spaces, and get into the uniform of the day.
- Morning physical training (PT): running, calisthenics, and pool sessions — the swim qualification falls in here early on.
- Chow on the clock: meals are quick and regimented, especially in the first weeks when candidates eat “square meals.”
- Academics and training: classroom blocks in seamanship, navigation, naval history, engineering, and military indoctrination, plus drill, inspections, and damage-control training.
- Evening study and personal time: shining shoes, ironing uniforms, memorizing required knowledge, and studying for exams.
- Taps / lights out: the day ends on schedule so it can start early again the next morning.
The schedule gets a little more breathing room as you progress from Indoctrination into the Officer Candidate and Candidate Officer phases, but the early mornings and full days never really stop. For a day-by-day look at how this plays out, read the full week-by-week journey below.
Read My Full Navy OCS Journey, Week by Week
Here is the entire journey in order, from the day I arrived in Newport through commissioning and beyond:
- Week 1, Part 1 – Indoctrination begins
- Week 1, Part 2 – Day one
- Week 1, Part 3 – Medical Monday
- Week 1, Part 4 – Wake-Up Wednesday (hell day)
- Week 1, Part 5 – Outpost / Black Friday
- Weeks 2–3 – Indoctrination continues
- Week 4 – RLP inspection
- Weeks 5–6 – Officer Candidate phase
- Week 7 – Inspections & Damage Control
- Weeks 8–9 – Drill & khaki inspection
- Weeks 10–12 – Candidate Officer & Capstone
- Swim class qualification
- The Candio box tradition
Life After OCS
- From OCS to first duty station: my CW Officer journey
- Got orders to Nuke (Power) School? Life after OCS
Around the twelve weeks
The list above is the chronology — what happened, in order. These are the questions that came up alongside it, and the ones I still get asked most often.
Before you report:
- What to actually study before OCS
- Getting ahead on navigation — the academic subject that catches the most people out.
- Degree requirements for naval aviation
- The flight physical — for aviation candidates, and worth reading early because it is slow.
While you are there:
- Care packages during indoc — what actually gets through, and what does not.
- A female candidate’s perspective
- What BDOC is like
- The parts that were genuinely funny — because twelve weeks of only the hard bits is not an honest account of it.
For the people at home:
- Graduation tickets and getting on to Naval Station Newport — sort this earlier than feels necessary.
- Gift ideas for someone in training
Thinking about applying?
This series is what OCS was actually like once I got there. If you are still working on getting in, that is a different problem with its own set of posts: Applying to Navy OCS covers eligibility, the application steps, the OAR and ASTB, waivers, and what to do when your recruiter goes quiet.
And if you have not settled on a community yet, that decision comes before the rest of it — Navy Officer Designators and Career Paths covers what each one is actually like and what its board tends to want.
