Karena McKinney prepares the CIMS instrument for loading into the right wing pod of the NASA ER-2 airplane.

The inlet separates the aerosol and gas phases prior to analysis.

Suresh Dhaniyala installs the liquid nitrogen dewar into the tail cone of the ER-2 wing pod. The dewar provides a clean source of gaseous N2 and contains a molecular sieve pump for roughing the turbomolecular pumps.