Intense excerpt from the "Pech River Boys" documentary.
RPG Backblast Close Call During Ambush
US and ANA soldiers are ambushed by Taliban fighters in Panjwai. Around the 2:00 mark an ANA gunner goes behind a soldier about to fire an RPG. Luckily other soldiers were paying attention and called him out. Source: https://www.youtube.com/channel/UCbwwK2xoMi5zZcvpXqDPsNA