Pharmacists at Naval Health Clinic Quantico, Hoai-Tien Nguyen (left), Erica Jefferson and Kim-Nga Huynh stand behind the counter at the clinic, Oct. 8. - Pharmacists at Naval Health Clinic Quantico, Hoai-Tien Nguyen (left), Erica Jefferson and Kim-Nga Huynh stand behind the counter at the clinic, Oct. 8.