Inlet (IMAGE) Proceedings of the National Academy of Sciences Caption This is an inlet mounted on the bottom of an Airbus A340-600 that leads to a special airfreight container installed in the cargo bay on a monthly basis. The instrumentation in the container measures aerosol particles and greenhouse gases during long-range flights. Credit Image courtesy of Torsten Gehrlein (Karlsruhe Institute of Technology, Karlsruhe, Germany). Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.