US Air Force resumes F-35A flights despite not knowing why pilot oxygen systems failed | The Register

Take a deep breath. You might have to hold it for a while

The US Air Force has today restarted flights of F-35As that were grounded by oxygen supply problems, even as it admits that it still doesn’t know what caused the life support systems to malfunction.…

[from http://ift.tt/2m5N8uC]