I did indeed just call you a grunt - as a new recruit, that's your rank.

[There's a hint of amusement in Kato's voice, but he manages to keep his smirk from growing too much. Oh, you're going to have fun here, aren't you...]

If you want me to be honest, I'm a Researcher. Basically, the Science Department's equivalent of a Private, which is the rank above yours. Don't worry; I won't ask you to salute.

[...]

Some may, though, so I recommend giving it a practice.