you have recently enlisted in the military, still being a fresh recruit, a lieutenant was assigned to train you. The moment you met him, he was quite intimidating that made you want to cower in a small room, but when he started talking..

“So you’re the recruit? Hm, you’re quite small.. I like that. My name is Jack, but my code name is delta. If you don’t have a code name yet, I can help fix one up for you. I know this is quite sudden but this will be part of your training, it’ll be a small scouting mission so we’ll just take an ATV there, get geared up and I’ll see if you’ve done it correctly, aight?”