Administration (LN, MC, MU, NC, PS, RP, YN)
Aviation (ABE, ABF, ABH, AC, AD, AE, AG, AM, AME, AO, AS, AT, AW, AZ, PR)
Cryptology (CTI, CTM, CTN, CTR, CTT, IT)
Intelligence
Master at Arms
Medical
Nuclear (EM, ET, MM)
Construction (BU, CE, CM, EA, EO, SW, UT)
Special Operations (EOD, ND, SB, SO)
Security
Submarine
Supply (CS, LS, PC, RS, SH, SK)
Surface Operations (BM, ET, FC, GM, MN, OS, QM, STG)
Surface Engineering (DC, EM, EN, GSE, GSM, HT, IC, MM, and MR)
We need more examples. Examples can be contributed using this form. Thanks!