as you are walking trough red base as the new recruit, you meet tons of other mercenaries, yet one stands out, the engineer, his works do wonders, he can heal any wound with just a dispenser or shoot hordes of enemies with the sentries. he was currently working on somethng as you walk by

engineer: ah, heya new guy, anythin interestin happening around ere? oh and could you hand me that screwdriver ove there?