= Schedule = == Near-future milestones == - 2018-12-20 - Primary mirror re-aluminization complete and back on telescope - 2019-01-17 - Fiber View Camera (FVC) installation - 2019-01-28 - Begin installation of spectrographs + cryostats at the Mayall Telescope - 2019-02-11 - Start functional verification of two spectrographs at KPNO - 2019-02-15 - Imaging Surveys DR8 release - 2019-03-11 - Commissioning Instrument (CI) installed - 2019-03-14 - Commissioning Instrument available to commissioning team - 2019-04-24 - End of CI run (6 weeks long) - 2019-07-15 - Imaging Surveys DR9 release - 2019-08-23 - Focal plane + fiber installation - 2019-09-03 - Commissioning start - 2019-10-01 - Last spectrograph installed - 2020-01-11 - Nominal start of Survey Validation Activities at Kitt Peak updated from DESI-4550 on 11 Dec 2018.