NIRISS and the Fine Guidance Sensor successfully completed room-temperature functional tests at NASA's Goddard Space Flight Center.
2012 November 15NIRISS and FGS became the first JWST instruments to be accepted formally by NASA during the Delivery Review Board meeting at the Goddard Space Flight Center.
2012 July 30
The Canadian Space Agency delivered NIRISS and the Fine Guidance Sensor to NASA's Goddard Space Flight Center on July 30, 2012. There the instruments will be inspected, tested, and incorporated into Webb's Integrated Science Instrument Module (ISIM).
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2012 February 23The successful completion of the Test Review Board marked the formal conclusion of the FGS/NIRISS cryovac performance test campaign.
2011 November
The FGS and the TFI hardware that will become NIRISS began its final cryogenic performance test campaign at the Canadian Space Agency's David Florida Laboratory in Kanata, Ontario. The tests are scheduled to be completed in early January, 2012.
2011 October 19-20
The NIRISS passed its critical design review, which was hosted by Com Dev at their facilities in Kanata, Ontario.
2011 July 20
The Canadian Space Agency (CSA) reluctantly discontinued work on the Tunable Filter Imager (TFI) when it became clear that issues associated with the cryogenic operation of its Fabry-Perot etalon were unlikely to be resolved in time to meet the instrument's delivery schedule. Instead, CSA will provide a reconfigured instrument - the Near InfraRed Imager and Slitless Spectrograph (NIRISS) - that enhances the capabilities of the JWST Observatory while being simpler to fabricate and operate.