CIR

ISS040-E-010502 (11 June 2014) --- NASA astronaut Steve Swanson, Expedition 40 commander, works with the Multi-user Drop Combustion Apparatus (MDCA) inside the Combustion Integrated Rack (CIR) in the Destiny laboratory of the International Space Station. The MDCA contains hardware and software to conduct unique droplet combustion experiments in space.