ABCs

ABCs stand for Airway, Breathing and Circulation (and 'D' for Disability or neurological function).

ABCS

Army Battle Command System
Found on http://en.wikipedia.org/wiki/List_of_U.S._government_and_military_acronyms

ABCS

Army Battle Command System
Found on http://www.translationdirectory.com/glossaries/glossary112.htm
No exact match found