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Recent Accomplishments
Updated May 14, 2012
The following list contains a record of program and project
accomplishments for the James Webb Space Telescope. The left column gives the original due date, the middle column gives the item accomplished, and the right column indicates the
schedule performance with green text denoting items accomplished earlier than
planned, black text for items completed on schedule, and red text for items
finishing later than planned. The list will be updated approximately every
month.
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.)
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Due Date
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Item Accomplished
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Completion Date
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May, 2012
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Finish testing the COCOA
Measure Sunshield template layer 5 shape to confirm its accuracy
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March 9, 2012
April 23, 2012 |
April, 2012
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Complete all composite parts for mechanism that lifts telescope away from spacecraft after launch (Deployable Tower Assembly) |
February 28, 2012, completed two months early |
March,
2012
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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. )
Complete analysis of JSC Thermal Vacuum Chamber telescope testing equipment plans
System Engineering Team to complete assessment of instrument thermal margins |
Delivery now May
March 19, 2012
March 1, 2012
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February, 2012
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Install Helium shroud walls at JSC Thermal Vacuum Chamber
Complete
assembly and initial testing of main mirrors at Marshall Space Flight Center |
February 2, 2012, (all panels, walls, floor, ceiling, door)
December
19, 2011, Completed two months early |
January, 2012
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Conduct
Critical Design Review for Spacecraft-to-Optical Telescope Element vibration
isolation system
Finish
building Center of Curvature Optical Assembly ("COCOA") for testing primary
mirror in JSC TVC
Review
preliminary requirements for ground structure for spacecraft equipment panels
Complete
Aft Optic System integration and alignment
Update
Program Plan and Program Commitment Agreement to reflect replan |
December
15, 2011, Completed one month early
January
19, 2012
December
1, 2011, Completed one month early
December 2, 2011, Completed
one month early
January 28, 2012 |
December, 2011 |
Install
Helium shroud floor at Johnson Space Center thermal vacuum chamber ("JSC
TVC")
Determine
root cause of NIRSpec optical bench flaw |
October
27, 2011 Completed two months early
December
15, 2011 |
November, 2011 |
Complete
electronics simulator model for Integrated Science Instrument Module ("ISIM")
Deliver
tools for software development environment and verification |
November 15, 2011
October,
27, 2011 Completed one month early
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October, 2011
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Begin
construction of 140,000-lb robotic facility to build segmented main mirror at
GSFC |
October 4, 2011 |
September, 2011
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Deliver
Flight ISIM Electronics Compartment to ISIM Integration & Test
Deliver
flight ISIM Command & Data Handling unit #1 to ISIM Integration & Test |
Deferred/design
change
September
27, 2011
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August, 2011
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Spacecraft
Flight Software Build 1 Technical Readiness Review |
June 30, 2011, Completed
two months early |
July, 2011
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Deliver
ISIM Region 1 Wiring Harnesses
Deliver
ISIM Structure to ISIM Integration & Test |
July 22, 2011
July 28, 2011 |
June, 2011
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Complete
Common Command & Telemetry System Build 2.3
Start
ISIM level Integration & Test |
April 13, 2011, Completed
two months early
June 24, 2011 |
May, 2011
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Start
flight Fine Guidance Sensor environmental testing (instrument level)
Complete
Spacecraft Secondary Mirror Segment Cone Structure internal Design Review |
May 5, 2011
April 20, 2011 Completed
one month early
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April, 2011
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Pathfinder
Primary Mirror Segment Assemblies complete
Deliver
ISIM Command & Data Handling test unit to ISIM Integration & Test
Complete
2018 Launch Readiness Date project lead Joint cost & schedule Confidence
Limit (JCL) |
April 25, 2011
April 22, 2011
April 28, 2011
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March, 2011
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Complete
flight ISIM Remote Services Unit Thermal Vacuum testing
Deliver
Fine Guidance Sensor (FGS) test unit electronics to ISIM Integration &
Test
Complete
2018 Launch Readiness Date budget details |
February 19, 2011,
Completed one month early
February 24, 2011,
Completed one month early
April 7, Completed
one week late |
February, 2011
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Deliver
Near-Infrared Spectrograph flight spare detector to GSFC
Pathfinder
Primary Mirror Backplane Support Structure delivered to Northrop-Grumman
Aerospace Sys.
Establish
No-Earlier-Than Launch Readiness Date as part of replan
Establish
Work Breakdown Structure for new GSFC responsibilities |
January 29, 2011, Completed
one month early
March 25, 2011, Completed
one month late (weather conditions affected shipping)
February 25, 2011
February 28, 2011
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January, 2011
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Ship
Mid-Infrared Instrument (MIRI) Focal Plane Electronics to ESA (Rutherford Appleton
Lab.)
Ball's
Flight Actuator Drive Unit Software Test Review |
January 20, 2011
January 24, 2011
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