Staff Sgt. Matthew Werner, 30, of Oxnard, California, and Spec. Christopher Hymer, 23, of Nevada, Missouri were found shot near Fort Riley, Kansas.
Staff Sgt. Werner was fatally shot to death, and Spec. Hymer is listed in critical condition.
Werner has just returned from his second tour of duty in Iraq. He was scheduled to have surgery to repair wounds he had sustained on his last tour in Iraq. He leaves behind a wife.
Sgts. Aaron Stanley, 22, of Bismarck, North Dakota, and Eric Colvin, 23, of Papillion, Nebraska, were charged in connection with the shootings. Police said a rifle and a handgun were found at the scene of the crime.