Complex sentence: Specific elements of the GCV will be contracted out, though the Army will retain the architecture and overall responsibility for synchronization which contrasts with the cancelled MGV program which allowed contracters to have more control over the design.
Split into simpler sentences: Specific elements of the GCV will be contracted out, though the Army will retain the architecture and overall responsibility for synchronization. This contrasts with the cancelled MGV program which allowed contracters to have more control over the design.