A 17-year-old member of the Pennsylvania National Guard has died after receiving emergency medical treatment during training, the US military said. Officials at Fort Jackson, South Carolina, said PFC Alyssa Cahoon died Aug. 25 after collapsing during physical training on Aug. 20. WLTX-TV reported. “We extend our deepest condolences to the family members and teammates of the deceased soldier. We are providing all the comfort and assistance we can to all involved,” said Commandant of the US Army Training Center and Fort Jackson. General Patrick R. Michaelis said in a statement. The specific cause of death is being investigated by the US military. REMEMBERING OUR 13 FALLEN HEROES ONE YEAR AFTER THE BIDEN ADMINISTRATION’S DISASTROUS WITHDRAWAL IN AFGHANISTAN Brianna and Alyssa Cahoon, 1st Battalion 34th Regiment via Facebook (1LT Boyd, 1-34 INF REG) Fort Jackson is the largest training facility owned by the US military, and about half of all soldiers entering the military are trained there. “It is with great sadness that we announce the passing of PFC Alyssa Cahoon,” the 1st Battalion, 34th Infantry Regiment posted on its Facebook page. “She died last night, August 25, 2022, with her family at her bedside.” MARINE’S MOTHER KILLED IN AFGHANISTAN ONE YEAR AGO: BIDEN ADMINISTRATION ‘FAILED OUR KIDS’ According to the Facebook page, Alyssa and her twin sister Brianna were both trainees at Fort Jackson, and a photo was posted of the two standing side by side in their camouflage uniforms, holding their rifles. Shalish Grant, 21, of Jersey City, New Jersey, gets help on an obstacle course during Army Basic Training at Fort Jackson. (Photo by Scott Olson/Getty Images) “They are both 42A Manpower Specialists,” the post said “How cool is it that they are going through Basic Combat Training together? They got their rifles with Back-up Iron Sights today!” CLICK HERE TO DOWNLOAD THE FOX NEWS APP Andrew Mark Miller is a writer at Fox News. Find him on Twitter @andymarkmiller and email tips at [email protected]