Heh, this marine is one big, seething, yellow, rage-infused mass of "FUCK YOU!"... and I approve.
The Emperor shields us from the devices of the Chaos Gods, but the Angry Marines rip their genitals off, jam 'em into those warp-commanding ass-monkeys' mouths, and plant a Powerboot so far up their asses they can taste it!
In summation: FUCK. YES. BITCHES