Half-Life: Opposing Force Easter Egg - Assassin Bot

Go to the 1st real combat stage, called "we're pulling out!" or whatever. there is a security guard and scientist talking, right before a huge alien comes out and kills both of them. Before the alien appears, the cop says "Have you seen the new IG-88?" That's the name of the assassain droid from Star Wars, one of Jabba's bounty hunters sent after Han Solo!