ADW — ANDREWS, MD
BAL — BALTIMORE, MD
EMI — WESTMINSTER, MD
FDK — FREDERICK, MD
FND — ELLICOTT, MD
GRV — GRANTSVILLE, MD
HGR — HAGERSTOWN, MD
NHK — NAS PATUXENT RIVER, MD
NHK — PATUXENT, MD
OTT — NOTTINGHAM, MD
SBY — SALISBURY, MD
SWL — SNOW HILL, MD