25.1. What are the drivers for creating adhesively bonded aircraft structures?25.2. Brief description of an adhesive bond and how it works: bulk properties, interphases, and interfaces25.3. History of bonded aircraft construction25.4. Composite versus metallic bonded structures25.5. Composite bonding processes in aircraft manufacture25.6. Bonding processes in composite aircraft repair25.7. Control of bond quality25.8. Defects in adhesive joints25.9. Bond inspection tools25.10. Proof testing25.11. Conclusions