What other commonly-used acronyms are there in Anderson productions?

A by-no-means-complete list appears below:

10-0

Negative (TERRAHAWKS)

10-10

Roger (TERRAHAWKS)

10-50

Immediate Launch (TERRAHAWKS)

BIGRAT

Brain Impulse Galvanascope Record And Transfer (JOE 90)

BISHOP

British Intelligence Service Headquarters--Operation Priest (THE SECRET SERVICE)

EUROSEC

European Space Exploration Council (DOPPELGANGER)

FBV

Full Boost Vertical (SUPERCAR)

IR

International Rescue (THUNDERBIRDS)

MEV

Martian Excursion Vehicle (THUNDERBIRDS ARE GO)

MSB

Maximum Security Building (CAPTAIN SCARLET AND THE MYSTERONS)

MSV

Maximum Security Vehicle (CAPTAIN SCARLET AND THE MYSTERONS)

PWOR

Proceeding With Orders Received (STINGRAY)

SHADO

Supreme Headquarters Alien Defence Organisation (UFO)

SHEF

Supreme Headquarters Earth Forces (CAPTAIN SCARLET AND THE MYSTERONS)

SIG

Spectrum Is Green (CAPTAIN SCARLET AND THE MYSTERONS)

SIR

Spectrum Is Red (CAPTAIN SCARLET AND THE MYSTERONS)

SPV

Spectrum Pursuit Vehicle (CAPTAIN SCARLET AND THE MYSTERONS)

WASP

World Aquanaut Security Patrol (STINGRAY)

WIN

World Intelligence Network (JOE 90)

WN

World Navy (STINGRAY)

WSP

World Space Patrol (FIREBALL XL5), World Security Patrol (STINGRAY)