T1 – Chief
T1I1 – Commander, Area 1
T1I2 – Commander, Area 2
T1L – Lieutenant
T1S – Sergeant
T2 – Data Systems Bureau
T3 – Communications and Fleet Management Bureau
Mobile Command Unit call signs
MCU-0 through MCU-13
MCU-A through MCU-D and MCU-G
T4 – Records and Identification Bureau
T5 – Scientific Services Bureau