How do you lubricate a spacecraft when failure isn’t an option and there’s barely any fluid to work with? In Part 2, Dr Michael Buttery discusses applying tribology to real space mechanisms from testing in vacuum with the VMTM to tuning hybrid lubrication systems for extended life without added torque. He also explores fluid chemistry constraints, the potential of ionic liquids, the rise of additive manufacturing in space, and how "new space" is reshaping risk, testing, and collaboration.