This is a $151,104.14 cost-plus-fixed-fee delivery order contract awarded by the National Aeronautics and Space Administration (NASA) Ames Research Center to Science & Technology Corporation (STC), a minority-owned small business. The contract is for modeling, simulation, analysis, and forecasting services to support airborne field missions and NASA's atmospheric composition research. This work will involve conducting aircraft field research to understand processes affecting the Earth's radiation and atmospheric composition. STC has previously received other federal contracts and grants from NASA, the Department of Defense, and the National Oceanic and Atmospheric Administration (NOAA) for a variety of scientific, engineering, and technical services. This contract does not have a set-aside designation.