Personnel Support Detachment (PSD) is located at 83 Grayling Ave., Groton, CT 06349. Personnel Support Detachment (PSD) can be reached by their main phone number at (860) 694-2725. Alternatively, you can reach Personnel Support Detachment (PSD) by phone at (860) 694-3080. You can also reach Personnel Support Detachment (PSD) by phone at (860) 694-3859. The listed DSN line is 312-694-3033. Visit the Personnel Support Detachment (PSD) website by clicking here.