A. SSIC 1000-1999 MILITARY PERSONNEL
B. SSIC 2000-2999 TELECOMMUNICATIONS C. SSIC 3000-3999 OPERATIONS AND READINESS D. SSIC 4000-4999 LOGISTICS E. SSIC 5000-5999 GENERAL ADMINISTRATION AND MANAGEMENT (5003-5401.1A) E. SSIC 5000-5999 GENERAL ADMINISTRATION AND MANAGEMENT (5420.2-P5720.2E) F. SSIC 6000-6999 MEDICINE AND DENTISTRY G. SSIC 7000-7999 FINANCIAL MANAGEMENT H. SSIC 8000-8999 ORDNANCE MATERIAL I. SSIC 9000-9999 SHIPS DESIGN AND MATERIAL J. SSIC 10000-10999 GENERAL MATERIAL K. SSIC 11000-11999 FACILITIES AND ACTIVITIES ASHORE L. SSIC 12000-12999 CIVILIAN PERSONNEL M. SSIC 13000-13999 AERONAUTICAL AND ASTRONAUTICAL MATERIAL