A SAS patrol pops red smoke to guide helicopters to their location

A SAS patrol lets off red smoke during a 'hot extraction' in South Vietnam, circa 1971. The patrol would have used red smoke to identify themselves and guide the helicopters to their location.

Watch a photo slideshow of the hot extraction here.

Reference: 

Image courtesy of Brian Senn

How to cite this page: 'Red smoke guides helicopters - SAS 'hot extraction' ', URL: http://www.vietnamwar.govt.nz/photo/sas-hot-extraction-photo, (Ministry for Culture and Heritage), updated 28-Apr-2011