Rick had four proficient snipers at various positions looking at a few different angles into Purgatory. They counted around thirty men total, eight standing guard outside with one on a mounted heavy machine gun. The men outside would be easy to take care of, but he didn't know if those inside would run away, dig in, or come outside to assist their fallen comrades. He didn't intend to give them a chance to figure that out.
He pulled up his heavy weapons team. They carried a machine gun with a bipod and a handheld grenade launcher. He hated to spend what little explosive ammunition they carried. They possessed five rounds for the launcher and even fewer hand grenades, but Rick quickly decided it necessary: the effect of firing it into a smallish space like the lobby would be devastating. "We just have to get close enough to use it without getting sliced in half by their MG," he muttered.
Rick's squad leaders returned to their groups and dispensed orders. Rick whispered into his radio, giving the snipers their instructions, and he watched through his binoculars. The enemy soldiers were strolling around out in front. They looked to be somewhat bored, not paying a whole lot of attention.
This is almost sad, Rick thought, they'll never know what hit 'em.