Fallen Heroes: What we know about the four men who gave all for their country

Stephanie Rhoades holds her son Peyton during a prayer vigil at Redemption Point Church on Thursday, July 16, 2015, in Chattanooga, Tenn. The vigil followed a shooting at both the Lee Highway Armed Forces Career Center and the Naval Operational Support Center on Amnicola Highway which left five dead, including the shooter, and a Chattanooga police officer wounded.
photo Mourners arrive at the home of Cathy Wells, the mother of Skip Wells, one of the four Marines killed in Thursday's shooting in Chattanooga, Tenn., Friday, July 17, 2015, in Marietta, Ga. (AP Photo/David Goldman)

The U.S. Marine Corps officials has now formally released the names of the four Marines killed in the attack on the combined Navy and Marine Corps Reserve Center on Amnicola Highway Thursday.

Among the fallen are Sgt. Carson A. Holmquist originally of Polk, Wisconsin; Gunnery Sgt. Thomas J. Sullivan of Hampden, Massachusetts; Lance Cpl. Squire "Skip" Wells of Cobb, Ga.; and Staff Sgt. David A. Wyatt, of Burke, N.C. who was recently a Hixson resident

"It is with deep regret and heartfelt sorrow that the Marine Corps can officially confirm that the following Marines were killed on July 16, 2015, at in Chattanooga, Tennessee," Marines spokesman Maj.