This headline made me think of Traveller, Twilight:2000 v2, and other lifepath character generation systems
https://www.marinecorpstimes.com/news/your-marine-corps/2018/07/31/go-four-before-grunt-the-controversial-idea-posed-by-the-head-of-mattis-task-force/
What do military characters look like, if they don't take up any "close combat" terms before spending a term in a non-infantry role?
Thoughts?
Looking at it from the standpoint of a U.S. Army Quartermaster Officer, who upon completing Quartermaster Officer's Basic School and the Supply Management Officer's Class, and then went to Alaska to join the support battalion there, here is what one example might look like.
For weapons, you would have Skill Level "0" in Automatic Pistol and Auto-Rifle, meaning that you understand how to load and fire them, but actually hitting something is a different story. That does assume that you are large enough to handle the weapons. We had one WAC officer who had a height waver who could not handle either the .45 or the M-16. We also had another officer who was over 6 foot 6 and also could not handle either the .45 or M-16 safely. His hands were too big for the Colt, and his arms too long for the M-16. After a couple of terms, you might add Streetwise-1 as you look how to work the system and how to use your NCOs knowledge and street smarts.
Then, using the Classic Skills from the 1981 edition of the LBB, you would likely get the following as an officer. Leader-1, they do hammer into you that you need to take care of your troops. Admin-1 for handling supplies along with Computer-1 currently for paperwork, and maybe Education-1 for learning how to deal with "Federalize" and Army regulations.
Then, if you add Supplement 4: Citizens of the Imperium to the mix, you can pick up the skills of Instruction and Liaison. If you are a supply officer, you learn Liaison pretty quick as you are working with other officers in other branches. Instruction goes with the job.
Lastly, depending on where you go, you might get some other service skills like Vacc Suit and Gambling. I would recommend that as a Second Lieutenant, you avoid getting into a poker game with a Chief Warrant Officer-2 and a couple of E-7s. Courtesy of being in Alaska, I would figure a Survival-1 skill for Cold Weather. Winter Field Exercises at a week of 40 below are quite interesting. Try not to have some of your troops burn their tent down in the middle of it.