Personnel Support Activity Detachment (PSD) is located at 83 Grayling Avenue, Groton, CT 06349. Personnel Support Activity Detachment (PSD) can be reached by their main phone number at (860) 694-2725. Alternatively, you can reach Personnel Support Activity Detachment (PSD) by phone at (860) 694-3709. The listed DSN line is 312-694-3046. Visit the Personnel Support Activity Detachment (PSD) website by clicking here.