Wiseman works with the MDCA hardware replacement, and CIR maintenance

ISS041-E-016781 (18 Sept. 2014) --- NASA astronaut Reid Wiseman, Expedition 41 flight engineer, works with the Multi-user Drop Combustion Apparatus (MDCA) in the Destiny laboratory of the International Space Station. The MDCA contains hardware and software to conduct unique droplet combustion experiments in space.