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