That's the wussy SWelcomeBeam. GT-Keravnos' first post was something very useful, and that's all he gets? This guy need the proper HLP welcome, including the offical walkthrough spiel...
*Fire control, target GT-Keravnos. Warm up the Welcome beam... and... FIRE!*
Exits are located to either side and at the rear, flamethowers are beneath your seat in case of emergency (or if you just really, really want to

), and if you encounter any Shivans while crawling through the ductwork, it's probably just Carl. Give him your lunch and back slowly away, and you'll be fine.