Cost of Afghan war exceeds $2.26tn and rising
UK and NATO vow return to Afghanistan if any terrorist threat re-emerges in the wartorn nation. U.S. Army Sgt. Anthony Limon (right) and Sgt. Aaron Hestand, both from White Tank, 2nd Platoon, Delta Company, 1st Battalion, 4th Infantry Regiment, keep watch during a patrol near Combat Outpost Sangar, Zabul province, Afghanistan. DoD photo by Staff…