Sgt. Gary Noleson was a character who appeared in Survival of the Fittest.
He was the leader of the traitorous special forces group that invaded Pelvanida, ostenably to secure it.
He encountered the Dr. Zanasiu and his team in Pelvanida's Control Room.
After arresting Dr. Zanasiu and ordering his men to kill the rest of Dr. Zanasiu's allies, his true affiliation was uncovered.
After the rest of Dr. Zanasiu's team killed the traitorous soldiers, he was captured and interrogated by Alfred Byford. Because he could not be trusted to carry along like Christopher Reynolds, a more benevolent captured guard, he was locked in a closet.
He was presumably killed when Pelvanida was destroyed by an airstrike.