Title reads: "ATS women help gunners".
Location of events unknown.
M/S of ATS (Auxiliary Territorial Service) girls sitting at an apparatus which plots shell bursts. Through special graphed frames and glass tables the girls record the bursts as shells are tested on the ranges. The girls are specially selected for this work, most have science degrees.
M/S of a field gun, cut to ATS girl, cut back to gun being loaded, cut back to girl giving order to fire (natural sound), cut to gun firing. L/S of shell bursting in mud flats on beach. Various shots of field and antiaircraft guns firing and more shots of the girl plotters. Good C/U shots of women operating apparatus with natural sound of them taking readings.