US Troops Weather Rockets, Recoilless Rifles, and Grenades in Sabari by Bill Ardolino, Long War Journal. BLUF:
“Before the day was over, six members of a joint US-Afghan patrol sent to investigate the attack would be injured, three seriously enough to be medevaced to a hospital. They were all Americans. The soldiers of an Afghan army unit accompanying them on the search would emerge unscathed.”