0 0 0I can see three ways to get this one (worst to best):1. Get lucky on random attacks on the outpost2. Some missions *** Spoiler - click to reveal ***that can take place indoors (closer quarters) can let you find enemies closer together. Like in the Carat Motel 3. THE BEST WAY IMO. During later attacks on the outpost, *** Spoiler - click to reveal ***drop one under a car that drives right in the middle of the outpost.