SciTec has a long history of end-to-end sensor performance testing and analysis with proven methodology for accurate measurement of signatures in a variety of test scenarios.We will leverage this experience to conduct a trade study and develop a prototype design concept specific to the performance assessment of infrared search and track (IRST) systems currently being developed and tested as part of aircraft weapon systems.SciTecs Airborne IRST Measurement & Assessment Sensor System (AIRMASS) combines our corporate expertise in sensor phenomenology and processing with high-TRL, commercially available sensors and state-of-the-art weather models to provide an accurate and robust system for end-to-end IRST performance assessment across a variety of flight engagement scenarios.Infrared Search and Track (IRST),Atmospheric Environmental Metrology,mid-wave infrared (MWIR),Long-Wave Infrared (LWIR),Noise Equivalent Delta-Temperature (NEDT),Modulation Transfer Function (MTF),Sensor Flight Test,Electro-optical Infrared (EO/IR)