I'm not really sure how the running "joke" of Todd eating cheeseburgers came from, but I noticed it a couple of times in the script and it just became a character trait.
Also, still not sure if hunting/running a covert training op in snow is a good idea but
【a e s t h e t i c】
Also because this is the first time seeing their rifles properly, they're basically based off one of the first hits on google images for .338 Lapua bolt action.