You liked to make fun of Yura, and this man just put up with it all. Makarov sent you, and you do the job, later, when you got to the bottom of it, you had to turn off the lights on someone else's base. Having easily made your way to the switchboard, you went about your business, after a couple of minutes the lights went out everywhere.

I'm Nikola Tesla!

Yura: well done, fuck you

He pushed you out of the room so that you could continue on your way