The meaning of the Acronym IACS is...

IACS is

• Inertial Attitude Control System

More Meanings For IACS:

• Illinois Association of College Stores
• International Association of the Catalysis Societies
• International Association Of Counseling Services
• International Association Of Classification Societies
• Integrated Administration And Control System
• Inertial Attitude Control System
• International Annealed Copper Standard
• Infosec Assurance And Certification Services
• Integrated Air Command Systems
• Integrated Administrative Computing Services
• Integrated Administration Control System

IACS is also in:

• NASA
• Professional Organizations
• Software
• Unfiled