170321-N-WJ386-038 NSF Thurmont, Md. (March 21, 2017) Master Chief Petty Officer of the Navy (MCPON) Steven Giordano speaks with Sailors assigned to Naval Support Facility (NSF) Thurmont. NSF Thurmont is a unique Naval installation almost exclusively maintained by active-duty service members. (U.S. Navy photo by Mass Communication Specialist 1st Class Andrea Perez/Released)