No, the uniform certainly isn't enough to reassure him. For one, it's hardly standard; a female uniform had yet to even be developed, as women by and large were not trained for intense combat in their military, and Hellsing was stuck at the moment transferring recruits in from the other, more official armed forces.

"Explain. How were you assigned to us? When were you assigned to us?"

It bothers him. He doesn't remember her name on any of the papers he looked over before his departure to Warsaw. Was this ridiculous time-travel rubbish he'd been hearing whispers about really true? Did these people have the indecency and the stupidity of dragging them all in from different points in time without regard to what might happen to any reality but their own?

There are a lot of questions on his mind. But, like a nagging bell in the back of his thoughts demanding space at the forefront, he recognizes that they are still in the middle of a crowded room, and that crowded rooms were not the best sort of place to divulge this sort of information.

"Find us a place where we can talk alone."

That is most definitely an order. Walter might not be the top dog of the organization, but in his time he certainly has some weight, even if it isn't official weight.