Recruit Alexa Baumert adjusts the straps on Rct. Bianca Saunders’ gas mask during chemical and biological warfare defense training Oct. 29, 2013. Baumert, 18, from St. James, N.Y., and Saunders, 23, from Wolcott, Conn., graduated with Platoon 4042, Papa Company, 4th Recruit Training Battalion, on Dec. 20, 2013. (U.S. Marine Corps photo by Cpl. Caitlin Brink). - Recruit Alexa Baumert adjusts the straps on Rct. Bianca Saunders’ gas mask during chemical and biological warfare defense training Oct. 29, 2013. Baumert, 18, from St. James, N.Y., and Saunders, 23, from Wolcott, Conn., graduated with Platoon 4042, Papa Company, 4th Recruit Training Battalion, on Dec. 20, 2013. (U.S. Marine Corps photo by Cpl. Caitlin Brink).