I was quite confused as well. Apparently they are dishing out some updates for FC3.
New Key Features for the Flaming Cliffs Series:
• No longer is an installation Lock On: Modern Air Combat required!
• A DCS World module that is compatible with all other DCS titles.
• New Advanced Flights Models (AFM) for the A-10A and Su-25. New AFM for the Su-27 and F-15C coming soon!
• New 6 degrees of freedom (6DOF) cockpit and model for the F-15C, A-10A, Su-27, Su-25 and Su-33. New MiG-29 cockpit coming soon!
• New campaigns and single player missions.
• Improved flight dynamics for air-to-air missiles.
• Updated and improved HUDs and other cockpit systems.
• Resource Manager that adds logistics control to missions.
• Expanded theatre of operations map into eastern Georgia.
• Countless other improvements in the areas of the mission editor, special effects, new models, improved terrain detail and AI.