the Intel Spec Op in TAK always has the profile of a Caledonian Volunteer, it can't be successfully changed. Is this intentional? I can change the base profile to Line Kazak, but the stats don't change. If I do the same in generic Ariadna, the stats change immediately. Why would TAK only get Spec Ops with Volunteer profiles? Looks like a bug to me. I was using the online army builder. The mobile one still has some bugs when it comes to TAK. Eg. Frontoviks don't have profiles.
I'm using the mobile builder (Chrome on Android) and can choose any of the 4 Ariadna SpecOp base profiles.
Also there's a new update for the Army Mobile App that fixes the missing profiles bug, I had to manually update it, presumably as it was so soon after the last update.
You sure you're in TAK and not just Vanilla Ariadna? I just tested: Desktop version in Chrome Armymobile version in desktop Chrome Armymobile version in mobile Firefox Actual App and they all give me the same results that the OP is reporting in TAK. There are two entries for Caledonian Volunteers (one of which actually has Grunt stats) and when you select the Line Kazak you get a Caledonian Volunteer profile (albeit, without the mountain and jungle limitation on its multiterrain)
I checked again and I do have the bug. However, if I choose a metro then i get the line kazak stats. So all good even though it is still bugged.