Are the black spot open doors? If not, open one of the crates.
If so, make a pre-emptive strike at the yellow guard.
9 for ARC, 13 for Tomcat

ARC MISSES HIS 3 SHOTS BUT TOMCAT'S SHOTS HIT AND KILL THE MAN
THE SOLDIER ON THE LOOKOUT POST AIMS AT TOMCAT
QUICK ROLL FROM, 1-9 OR 11-20!