Chris Cantrell and Becky Anderson of the National Center for Atmospheric Research assess the CIMS instrument's operation during ARCTAS mission preparations
Deedee Montzka of the National Center for Atmospheric Research checks out the NOxyO3 instrument on NASA's DC-8 flying laboratory before the ARCTAS mission
Jingqiu Moa and Xinrong Ren check out Pennsylvania State University's Airborne Tropospheric Hydrogen Oxides Sensor instrument during the ARCTAS mission upload
Eric Apel and Alan Hills of the National Center for Atmospheric Research install the Trace Organic Gas Analyzer's sensor probe on the exterior of NASA's DC-8
Lee Mauldin inspects the National Center for Atmospheric Research CIMS instrument probe on the exterior of NASA's DC-8 flying lab prior to the ARCTAS mission