Operational molecular biology in spaceflight and spaceflight-related environments. (A) Astronaut Jeff Williams at the Multipurpose Work Area of the ISS, harvesting arabidopsis from our petri plates and fixing them in RNAlater in a KFT. (B) Anna-Lisa Paul harvesting during a NASA Flight Opportunities parabolic flight. (C) Robert Ferl activating KFT during F104 flight.