What does ASTO stand for?

Aerospace and Strategic Technology Office (ACAE)

Antistreptolysin - Immunology (DHSM)

Arab Satellite Telecommunications Organisation (SAUO)

Assembly Tool (AAG)

Association of Sea Training Organisations - British (DBA)

Association of Sun Tanning Organisations - British (DBA)

Aston Martin - NCIC car make code

Admiralstabsoffizier (SAUS)