I'm not referring to .65 procedures Steven. That's a given, they're mostly the same. I'm talking about the experience of doing ATC in the Marines. Surely you can understand there is a difference in doing a job in the Marines compared to a civilian. Since you asked, here ya go.
PARs. While RFC is "dumb dumb" ATC, doing PARs was probably some of the most rewarding experiences I had. Did them for every current military aircraft imaginable including AF-1. Since most facilities, it was the only way of getting a tactical jet down in the soup, your calls could be the difference between landing or going missed. It can be a daunting task for some "kid" right out of high school. Feels good to get an attaboy (Strategic Air Command) at the end of an approach.
You travel the world in the Marines. Only Marine Aviation can set up a FOB on some island in the middle of the Pacific and start running ops out of there in less than 24hrs. Personally, I thought it was pretty cool using state of the art PAR (TPN22) equipment running Harriers down final to a coral runway in the middle of nowhere. A PAR that's far better than any permanent station gear as well.
I took part in exercises in conjunction with the MEU in both Thailand and Korea, essentially taking over an airfield's entire ATC structure for about a month. Where an FAA controller might take a year to get signed off at a new facility, we study for 2 weeks and are running the show. Training their foreign controllers on radar ops while we at it.
I've gone out to the ship and got to witness how the CATCC operates while underway. Once again, like the MEU, it just shows the flexibility by the carrier air wing compared to land based aviation. I just find it fascinating to provide the capability of IFR ops night and day 24/7 anywhere in the world.
While in, I got to fly in various military FW and RW aircraft. While I never did it, backseat rides in tactical jets were authorized by regulation in the military. Knew several controllers in the Navy that went up in A-4s and F-5s in Key West.
Probably the most profound difference is, well, you're a Marine and immersed in the Marine way of life. Yes, they show up to work and sign on position in the AM just like FAA guys do. Only before doing that, they've already run 5 miles, cleaned their rooms for inspection, formed up for a uniform inspection and done a FOD walk. While at work, ATC is just one of your tasks. Still have classes to give, cleaning, boards to attend etc. You have to somehow divide the tasks associated with being a Marine with your ATC duties. These are tasks that at the time were unpleasant but looking back I see them as character building. The lifestyle instills traits that have served me well after the military.
Finally, there's a huge leap in cockpit technology from 20 years ago until now. While on approach I enjoyed providing a form of situational awareness that's quickly becoming extinct today. I worked pilots that asked for vectors to airports because they were lost. Pilots asked for vectors around weather. I issued low altitude alerts when required. I issued traffic advisories when required. I fly an aircraft for work today that has 3 GPSs, HTAWS, TCAD, SVT and XM weather. I don't require any of those services that I listed. Don't get me wrong, controllers are still relevant today, but the tech is taking away some of that spark that I feel created more of a job satisfaction then compared to now.
So yeah, I wouldn't have traded my 8 years in the Marines for anything in the FAA today. It's a corny slogan that the Navy uses to get recruits but my job truly was an adventure. Not for everyone, but it worked for me.