Marines salute during the playing of the national anthem during a memorial ceremony, Sept. 20. During the ceremony, Marines paid tribute to Sgt. Bradley Atwell, an aircraft electrical, instrument and flight control systems technician with Marine Aviation Logistics Squadron 16, from Kokomo, Ind. Atwell was killed in action while engaging insurgents during an attack on Camp Bastion, Sept. 14. - Marines salute during the playing of the national anthem during a memorial ceremony, Sept. 20. During the ceremony, Marines paid tribute to Sgt. Bradley Atwell, an aircraft electrical, instrument and flight control systems technician with Marine Aviation Logistics Squadron 16, from Kokomo, Ind. Atwell was killed in action while engaging insurgents during an attack on Camp Bastion, Sept. 14.