The meaning of the Acronym GCL is...

GCL is

• Ground Control Landing
• Ground Coolant Loop

More Meanings For GCL:

• Geomview Command Language
• Generalized Concordance Lists
• Greater Catholic League
• The Garment Crafters Of Lothlorien
• Geosynthetic Clay Liner
• Ground Control Landing
• Ground Coolant Loop

GCL is also in:

• NASA
• Products
• Software
• Unfiled