Advancements in large format infrared (IR) focal plane technologies have created the opportunity for implementing Wide Field of View (WFOV)Overhead Persistent IR (OPIR) sensors for the missile surveillance mission. The Commercially Hosted Infrared Payload (CHIRP) is a capability-based risk-reduction pathfinder project whose purpose is to assess the risks and opportunities of designing, building and testing complex DoD experiments as secondary payloads on commercial spacecraft, within a predefined cost and schedule envelope. CHIRP will also demonstrate the ability to build and integrate components needed for a WFOV sensor, understand WFOV Staring IR phenomenology, and quantify performance levels of WFOV staring systems in a flight environment. This paper discusses the tradeoffs involved in committing to a commercially hosted mission, and the challenges in tailoring a mission assurance process for a flight demonstration. On-orbit testing of CHIRP is currently scheduled to occur in mid-2011.
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