503rd Chemical Detachment distinctive unit insignia.
The primary mission of the unit was "People Sniffer" missions. The unit used it on the LOH as well as the UH-1 helicopters. They also conducted defoliation missions as CS drops. The CS bombs were E-158 and E159 CS Bombs.
The primary mission of the unit was "People Sniffer" missions. The unit used it on the LOH as well as the UH-1 helicopters. They also conducted defoliation missions as CS drops. The CS bombs were E-158 and E159 CS Bombs.