Cal fire contractor dine corps. In a solid moment at the edge of yosemite, a cal fire honor guard provided respectful tribute during the transport of human remains to the Mariposa County medical examiner. This was a line of duty death. Reporter no way to eliminate risk from airborne firefighting but what went wrong . Take a look the series of photos. The point of impact below the top of the slope. The photographer said the smoke was so thick the aircraft disappeared as they went through it. Could have obscured his vision. Reporter one of countless scenarios ntsb investigation will try to narrow. Authorities declined to speculate. Cal fire chief ken pimlot ordered the immediate grounding or standdown of all 22 sister planes of the grum mond tanker that went down. We are evaluating all of the aircraft in the system this morning. We are evaluating the status of all of our pilots. Reporter other aircraft resumed the battle against yosemites latest fire without the s tchts 2ts. Chief pimloc