Team Designations State Name (As 2 letter Postal Service Code) MO for Missouri, etc. Team Number (Consecutive numbers, sub-units by letters, skipping I & O) 1A, 1B, 1C, etc. Team Type Designators S - Science A - Aviation R - Recon D - Decon M - MARS P - Psych H - Health/ Medical F - Frozen Watch E - Engineering X - Specialty CC - Command O - Operations CT - Combined Team SP - Special Operations Ex. Missouri Engineering Team 3 MO-E-3 Base Teams = Greek Letter + B Ex. Prime Base Operations Team 4 Third Section AlphaB-O-4C