- "Bugs, androids, invisible snipers... Welcome to the fucking Corps!"
- ―Roper (from Aliens vs. Predator)
Roper was a member of the United States Colonial Marine Corps, part of the 1st Battalion, 3rd Regiment. She was stationed aboard the USS Marlow, dispatched to BG-386 in response to a Xenomorph outbreak at the Freya's Prospect colony and the nearby Weyland-Yutani facility. During the BG-386 operation, she was part of Zulu Team.
The mission was a disastrous failure, with the Marlow being destroyed and virtually all of the Marines deployed being killed. Roper was last seen holding the area around the crashed dropship Typhoon; her exact fate is unknown, although it is highly likely she was killed on the planet.
When Typhoon was shot down, Roper's squad, Zulu Team, quickly arrived on the scene and began searching for Corporal Tequila, who had been captured by the Xenomorphs; Roper herself was ordered to guard the crash site. The Marines in the area subsequently came under attack from Dark, although Roper and her fellow marine Danone remained undiscovered. They were soon met be Rookie, who had also come to the downed dropship in the hopes of rescuing Tequila.
Almost as soon as Rookie arrived, the Marines were attacked by a large number of Xenomorphs, but they managed to fight the creatures off with some assistance from the downed dropship's pilot, Connor. Rookie and Conner moved deeper into the ruins in pursuit of Tequila, but Roper and Danone stayed back to hold the crash site and wait for any other survivors that might come their way. Their ultimate fate is not known.
- Aliens vs. Predator (video game)