GCA

1. Ground control (or controlled) approach system, or ground control apparatus (aeronautics)
2. Guatemala, Central America (IVR)

• foundations
• foundation school
• foundation schools
• foundation-stone
• foundation-stones
• foundation-stop
• foundation-stops
• foundation subject
• foundation subjects
• foundation trust
• foundation trusts
• founded
• founder
• foundered
• foundering
• founder member
• founder members
• founderous
• founders
• founders' shares
• founding
• founding father
• founding fathers
• foundings
• foundling