Robotic "spiders" repair holes in hybrid airships.
Hybrid Airship: No Roads, No Problem
First flight of hybrid airship that can fly for 21 days
Hybrid Airship Ground Handling
Solar Ship - Hybrid Airship
A hybrid airship is a powered aircraft that obtains some of its lift as a lighter-than-air (LTA) airship and some from aerodynamic lift as a heavier-than-air aerodyne.
Hybrid Air Vehicles HAV 304/Airlander 10