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Recent Accomplishments
Updated April 3, 2014

The following tables contain a record of program and project accomplishments. The Date column colors mean the following: GREEN Ahead of Planned, BLACK: On Time, RED: Later than Planned. The list will be updated approximately every month.

VIEW:

The image below points out various major hardware components of the facility referred to in the list to orient the reader.(Click to enlarge image.)


Labeled Spacecraft


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Due Date Item Accomplished Completion Date
March 2014 Spacecraft Solar Array Manufacturing Readiness Review Completed February 21, 2014
JSC Chamber A Telescope ground support equipment test #1 design review Completed February 26, 2014
February 2014 Secondary Mirror Mount delivery Completed February 19, 2014
MIRI Cryocooler flight electronics delivered to JPL Delayed to April, resolving parts issues, no schedule impact
Final Data Management Subsystem Design Review Completed November 22, 2013
Flight NIRSpec ready for integration into ISIM Completed February 4, 2014
Flight NIRCam ready for integration into ISIM Delayed until March 8, 2014 due to harness issues and snow delays
January 2014 Delivery of last Primary Mirror Segment to GSFC Completed December 16, 2013
Observatory Operations software scripts Build 3 complete Completed January 16, 2014
New detector focal plane arrays for NIRCam ready for integration into instrument Completed November 20, 2013
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Due Date Item Accomplished Completion Date
December 2013 Spacecraft Critical Design Review complete Completed January 16, 2014 (shutdown delay)
MIRI cryocooler flight cold head assembly delivered to ISIM Delayed to August 2014
JSC Clean Room ready to receive ground support equiment December 23, 2013
Complete ISIM cryogenic-vacuum risk reduction test Completed 11/13/13 but not all tests completed due to shutdown
November 2013 Mirror deployment electronics unit manufacturing readiness review October 8, 2013
Jet Propultion Lab (JPL) cryogenic test chamber readiness review December 19, 2013
Johnson Space Center (JSC) Telescope and ISIM support structure fabrication complete November 4, 2013
October 2013 Primary mirror backplane support structure cryogenic testing readiness review September 10, 2013
September 2013
Latest acceptable arrival of Flight Near Infrared Spectrograph (NIRSpec) for inclusion in second ISIM cryogenic test September 20, 2013
Sunshield membrane cover manufacturing readiness review Deferred to December 2013, no schedule impact
Completion of studies and trades for mission mass margin in preparation of spacecraft critical design review April 11, 2013
Complete first ISIM cryogenic test Moved to October 2013 due to Harness Radiator delay
JSC thermal vacuum chamber frame that holds test equipment suspended above the JWST mirror and instruments ready for painting July 24, 2013
August 2013 Latest acceptable date of Near Infrared Camera (NIRCam) into ISIM integration and test flow for inclusion in second ISIM cryogenic test Moved to September 2013 due to testing delays, slack to need date remains
BSF/ Primary mirror backplane center section integration complete August 27, 2013
July 2013 MIRI detector cooling attachment (flight Cold Head Assembly) delivered to GSFC [delayed fiscal 2012 milestone] Moved to November, technical issues, 2 months margin remains for CV2
Spacecraft flight software build 2.1 test readiness review June 28, 2013
June 2013 Spacecraft thermal control system critical design review May 15, 2013
Spacecraft wiring critical design review June 28, 2013
Rods that suspend telescope and instruments from ceiling of JSC thermal vacuum chamber for testing complete May 21, 2013
Start first ISIM cryogenic test (risk reduction activity) Moved to August 2013 - delayed by Harness Radiator delivery
May 2013 Telescope primary mirror backplane support fixture (BSF) assembly complete (holds ISIM, primary mirror and spacecraft together for launch) May 6, 2013
April 2013 Sunshield Template Membrane Layer #2 fabrication complete April 13, 2013
Spacecraft-to-ground communications subsystem critical design review March 12, 2013
Software build v 1.1 for the system that senses and controls Webb's active mirrors February 13, 2013
March 2013 Deliver last primary mirror actuator motor electronics unit (Cryo Multiplex Unit) Units completed, ship date is 4/26

Spacecraft fine sun sensor critical design review

Completed January 15, 2013
Space Vehicle Thermal Simulator systems requirements review Completed January 23, 2013
Complete FGS & MIRI integration onto ISIM FGS installed in March, MIRI installed 4/29 to accommodate MIRI thermal shield delay
February 2013 Secondary Mirror Support Structure I&T tooling fixture complete February 27, 2013
Primary mirror backplane support wing assemblies complete February 19, 2013
Spacecraft Primary Structure Manufacturing Readiness Review January 28, 2013
Start cryogenic certification test of OSIM Moved to March 2013 - delayed by Global Precipitation Monitor exit from SES chamber
January 2013
Aft optical system complete January 10, 2013
Receive JWST carrier container to be used in moving the observatory to testing and launch sites November 16, 2012
System design review of the software employed in managing all the data returned from the spacecraft to the operations center December 6, 2012
Deliver MIRI cover/thermal shield to ISIM integration and test (I&T) Dynamics and Thermal issue have delayed delivery to March, Two weeks of schedule margin still exists to need date
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Due Date Item Accomplished Completion Date
December 2012 First engineering model of the spacecraft command and telemetry computer delivered to test bed November 8, 2012
Reinstall beam image analyzer onto telescope simulator (OSIM) used in ISIM cryogenic testing December 19, 2012
Complete electrical checkout of combined fine guidance sensor (FGS) and ISIM December 20, 2012
November 2012 Spacecraft-to-Optical Telescope Element/science instruments stray light and thermal barrier structures preliminary design review October 18, 2012
Port side spacecraft equipment panel design review (Northrop internal review) October 4, 2012
Complete electrical checkout of combined mid-infrared instrument (MIRI) and integrated science instrument module (ISIM) November 19, 2012. 2 days of testing required in Jan. due to FSW bug (divide by zero)
October 2012 Headquarters delivery to project of funding plan for fiscal 2013 September 15, 2012
Spacecraft batteries preliminary design review September 6, 2012
Spacecraft command & telemetry computer review (Northrop internal review) August 30, 2012
Second review of optical test equipment for Johnson Space Center (JSC) thermal vacuum chamber test of telescope and instruments (OTIS) October 17, 2012
September 2012 Deliver NIRCam Moved to no earlier than 12/2012, work around in place
Delivery no later than August 2013
Start testing of cryogenic camera system, used for subsequent JSC I&T August 9, 2012
Complete center section of Backplane Support Structure for main mirror April 28, 2012
Deliver NIRSpec Delivery date April 2013
Delivery no later than September 2013
August 2012 Order remaining JSC thermal vacuum chamber vibration isolators August 9, 2012
July 2012 Deliver Flight Fine Guidance Sensor July 30, 2012
Deliver flight software to ISIM Integration and Testing ("ISIM I & T") May 11, 2012
Complete Solar array Preliminary Design Audit June 14, 2012
Deliver MIRI Cryo Cooler "Cold Head Assembly" (critical component of MIRI cooling) to ISIM I&T Flight CHA to be delivered in June 2013. No schedule, impact, work around in place.
Complete fabrication of end fitting for Secondary Mirror Support Structure July 13, 2012
June 2012 Complete modifications of the Johnson Space Center (JSC) Thermal Vacuum Chamber (TVC). June 30, 2012
Complete Critical Design Review for telescope-ground communications system. June 13, 2012
Complete designs for structures that will hold telescope inside JSC TVC June 21, 2012
Complete Preliminary Design Review for equipment that tests Sunshield deployment. June 28, 2012
May 2012 Finish testing the COCOA March 9, 2012
Measure Sunshield template layer 5 shape to confirm its accuracy April 23, 2012
Conduct budget and schedule review of replanned program and project performance May 30, 2012
April 2012 Complete all composite parts for mechanism that lifts telescope away from spacecraft after launch (Deployable Tower Assembly) February 28, 2012, completed two months early
Receive MIRI from Europe (extra vibration test delay) May 29, 2012
March 2012 Deliver ISIM computer #2 to ISIM integration and testing. (Single synchronous dynamic random access memory chip failure during computer thermal vacuum testing. Chip is being replaced and computer retested. ) May 15, 2012
Complete analysis of JSC Thermal Vacuum Chamber telescope testing equipment plans March 19, 2012
System Engineering Team to complete assessment of instrument thermal margins March 1, 2012
Delivery of 2nd ISIM computer to Integration and Test May 16, 2012
February 2012 Install Helium shroud walls at JSC Thermal Vacuum Chamber February 2, 2012, (all panels, walls, floor, ceiling, door)
Complete assembly and initial testing of main mirrors at Marshall Space Flight Center December 19, 2011, Completed two months early
January 2012 Conduct Critical Design Review for Spacecraft-to-Optical Telescope Element vibration isolation system December 15, 2011, Completed one month early
Finish building Center of Curvature Optical Assembly ("COCOA") for testing primary mirror in JSC TVC January 19, 2012
Review preliminary requirements for ground structure for spacecraft equipment panels December 1, 2011, Completed one month early
Complete Aft Optic System integration and alignment December 2, 2011, Completed one month early
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Due Date Item Accomplished Completion Date
December 2011 Install Helium shroud floor at Johnson Space Center thermal vacuum chamber ("JSC TVC") October 27, 2011 Completed two months early
Determine root cause of NIRSpec optical bench flaw December 15, 2011
November 2011 Complete electronics simulator model for Integrated Science Instrument Module ("ISIM") November 15, 2011
Deliver tools for software development environment and verification October, 27, 2011 Completed one month early
October 2011 Begin construction of 140,000-lb robotic facility to build segmented main mirror at GSFC October 4, 2011
September 2011 Deliver Flight ISIM Electronics Compartment to ISIM Integration & Test August 2012
Deliver flight ISIM Command & Data Handling unit #1 to ISIM Integration & Test September 27, 2011
August 2011 Spacecraft Flight Software Build 1 Technical Readiness Review June 30, 2011, Completed two months early
July 2011 Deliver ISIM Region 1 Wiring Harnesses July 22, 2011
Deliver ISIM Structure to ISIM Integration & Test July 28, 2011
June 2011 Complete Common Command & Telemetry System Build 2.3 April 13, 2011, Completed two months early
Start ISIM level Integration & Tes June 24, 2011
May 2011 Start flight Fine Guidance Sensor environmental testing (instrument level) May 5, 2011
Complete Spacecraft Secondary Mirror Segment Cone Structure internal Design Review April 20, 2011 Completed one month early
April 2011 Pathfinder Primary Mirror Segment Assemblies complete April 25, 2011
Deliver ISIM Command & Data Handling test unit to ISIM Integration & Test April 22, 2011
Complete 2018 Launch Readiness Date project lead Joint cost & schedule Confidence Limit (JCL) April 28, 2011
March 2011 Complete flight ISIM Remote Services Unit Thermal Vacuum testing February 19, 2011, Completed one month early
Deliver Fine Guidance Sensor (FGS) test unit electronics to ISIM Integration & Test February 24, 2011, Completed one month early
Complete 2018 Launch Readiness Date budget details April 7, Completed one week late
February 2011 Deliver Near-Infrared Spectrograph flight spare detector to GSFC January 29, 2011, Completed one month early
Pathfinder Primary Mirror Backplane Support Structure delivered to Northrop-Grumman Aerospace Sys March 25, 2011, Completed one month late (weather conditions affected shipping)
Establish No-Earlier-Than Launch Readiness Date as part of replan February 25, 2011
Establish Work Breakdown Structure for new GSFC responsibilities February 28, 2011
January 2011 Ship Mid-Infrared Instrument (MIRI) Focal Plane Electronics to ESA (Rutherford Appleton Lab.) January 20, 2011
Ball's Flight Actuator Drive Unit Software Test Review January 24, 2011
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