Now, while she was certainly gonna beat the crap out of them herself, that expression of Shigure makes me think that she's gonna try and stop him before he goes further than she would have.
(Or given how much she respects him, maybe she just doesn't wanna see Reiji doing Reiji things in raw detail)
That'll teach them a lesson that there are people who are at higher positions than themselves, and those people have all the reasons to send you straight to hospital.
In a way it's also "lessening" the potential damages.
...wha?!Admiral...I'm the Commander of their post, the Yokosuka 1st Raid Squadron.So, I've got good cause to tear you goddamned worthless pieces of shit to shreds.
Understood?What, just rear-unit pukes then?What's up, guys?T-The fuck are you? We're the 8th Squad of this town, you know!!
You really gonna fuck with us!?