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