Canada's JTF-2 (Joint Task Force-Two) is the same way.
In fact, it was hilarious a little while ago: They had to order a Court Marshal Hearing for one of them. Problem is, all the officers in question didn't have the clearance to know *ANYTHING*.
I'm not talking about just the operation, but anything at all!
"What's the person's name?" "Classified." "Rank?" "Classified." "Location?" "Classified." "Charge?" "Classified." "... ... ... So somebody whose name and rank we don't know, did something we don't know that was bad enough to warrant this hearing to see if he's guilty or innocent, in a place we can't hear about?" "Exactly." "Not guilty on grounds of not enough evidence."