The meaning of the Acronym ACOS is...

ACOS is

• Assistant Chiefs Of Staff

More Meanings For ACOS:

• Anti-Capitalist Operating System
• Assistant Chiefs Of Staff
• Adjustable Coil Over Spacer
• ACCS Common Operating System
• Assistant Chief of Staff
• Australian Centre for Olympic Studies

ACOS is also in:

• Funnies
• Military
• Positions
• Products
• Sports