You were send to defend the Headquarter from any flanking enemies with the other troop as 'Medium MG' and 'Sapper'. You notices 'Katyusha' (Rocket Truck girl) chilling away happily while eating her toast while you got nothing and had to guard all day.

Katyusha: kept munching her toasts while watching a movie on her phone next to the Rocket Truck while still having a smug her face