Astronaut David Saint-Jacques works on the Combustion Integrated Rack

iss059e060847 (May 12, 2019) --- Astronaut David Saint-Jacques of the Canadian Space Agency works on the Combustion Integrated Rack located inside the U.S. Destiny laboratory module. Saint-Jacques was working on hardware supporting the Advanced Combustion via Microgravity Experiments (ACME). ACME is a set of five independent studies of gaseous flames exploring improved fuel efficiency, reduced pollution and spacecraft fire prevention.