1. Page 1 9/4/01 SMS Test Phase 2 & 3 WFC3 FSW and STScI Development Flow through SMGT 4/1/02-6/30/02 FSW 2.1 C&UT 7/8/01-8/15/01 FSW 2.2 C&UT - WFC3 Software Bench - SITS - WFC3 TBD Bench - SITS - Database (CCL, Cmd, TLM, Tables) - Macros - FSW 3.0 - WFC3 Software Bench - SITS 8/16/01-11/17/01 FSW 2.1 C&UT 4/2/01-7/30/01 - COS Bench - SITS FSW 3.0 C&UT - WFC3 TBD Bench - SITS 12/15/01-4/4/02 SMS Test Phase 4 & IR Subarrays 9/1/02-12/31/02 Final Qualification Test 6/3/02-7/31/02 - WFC3 TBD Bench - SITS Continued on the Next Page SMS Test Phase 5 2/1/03-4/30/03 FSW 3.0 Component Test - WFC3 TBD Bench - SITS 3/1/02-5/31/02 Pre-SMGT Bench Testing 11/15/02-4/30/02 - WFC3 TBD Bench - SITS - Database (CCL, Cmd, TLM, Tables) - Macros - FSW 3.0 - WFC3 TBD Bench - SITS - Database (CCL, Cmd, TLM, Tables) - Macros - FSW 3.0 - WFC3 TBD Bench - SITS - Database (CCL, Cmd, TLM) - Macros - FSW 3.0 Ship to GSFC ~8/15/02 FSW 2.1 Component Test FSW 2.2 Component Test 8/16/01-10/31/01 10/31/01-2/28/02 Boot Code Testing - SES 1 Board (due 10/29/01) 10/1/01-11/16/01 FSW 2.3 C&UT FSW 2.3 Component Test 11/1/01-1/17/01

2. Page 2 9/4/01 WFC3 FSW and STScI Development Flow through SMGT - concluded SMGT No earlier than 5/1/03 - WFC3 Instrument - SMPRD Database - Macros - STOCC/CCS -FSW 3.X -VEST -PACOR/STScI From Pre-SMGT Bench Testing VEST I&T TBD - WFC3 Instrument - SMPRD Database - Macros - VOCC/CCS -FSW 3.X -VEST -PACOR/STScI VEST I&T TBD - S/W or Ops Bench - SMPRD Database - Macros - VOCC/CCS -FSW 3.X -VEST -PACOR/STScI VEST Dry Run TBD - VOCC/CCS - VEST - Bench? PRD Office TBD - Commands - Telemetry - Tables - CCL’s - Display Pages NSSC AP’s TBD

3. Page 3 9/4/01 WFC3 FSW Development Flow (2.1 through 2.2) FSW 2.1 C&UT 7/2/01-8/31/01 FSW 2.2 C&UT 8/16/01-11/15/01 SITS 1 5.4 (S/W Bench) MEB WFC3 S/W Bench DRD Items Component Test 2.1 DRD Items - DM-06 (Initial) Mechanisms (Test Software) - SOFA/Corrector (10/17/01) - Shutter (10/17/01) -Filter Wheel (10/19/01 - Mech Sim1 (10/1/01)) Hardware CCS 3.4.0.3 7/31/01 10/15/01 SITS 2 5.4.1 (Ops Bench) MEB 2 WFC3 Ops Bench - S/W Bench - SITS 8/16/01-10/31/01 10/1/01 SES 1 Board Boot Code C&UT 10/1/01-11/16/01 10/29/01 FSW 2.2 Component Test 10/31/02- 1/28/02 - SES2 (10/19/01) - SES3 (9/14/01) - SES4 (9/7/01) To FSW 2.3 Code & Unit Test Boot Code Testing 10/1/01-12/15/01

4. Page 4 9/4/01 FSW 3.0 C&UT 11/1/01-3/15/02 FSW 3.0 Component Test 3/1/02-9/30/02 -TBD Bench FSW FQT 6/1/02-7/31/02 -TBD Bench SI Delivery to GSFC 8/15/02 DRD Items - Need List of Deliverables Mechanisms - TBD Support - UVIS/IR Detector Simulator (9/21/01) - UVIS/IR Science Data Generator(12/1/01) DRD Items - TBD WFC3 FSW Development Flow (2.3 through System Functional Test) FSW 2.3 C&UT Mechanisms (Test Software) - CSM (11/19/01) - Mech Sim2 (11/15/01) Hardware DRD Items - TBD FSW 2.3 Component Test WFC3 System Functional Test (MEB Install) WFC3 System Functional Test (Surrogate Detector Install) - SES1 (10/29/01) - SES2 (9/14/01) 11/16/01-1/15/02 From FSW 2.2 Component Test 12/1/01-3/31/02 Procedures not fully component tested in 3.0 can be run against the hardware if the procedure is dry run on the bench first.

5. Page 5 9/4/01 Phase 2 - Aperture Definitions - Basic UVIS ACCUM Mode -UVIS Dark and Bias Calibration DRD Items - DM-06 (Initial) Phase 4 development 1/1/02-6/30/02 - UVIS & IR ALIGN Mode -Timing Updates -SAA Contour Defintions - UVIS CTE Monitoring - IR Bright Earth Avoidance 1/1/01-6/30/01 Phase 4 & IR Subarrays SMS Test Window 9/2/02-11/29/02 Support - Detector Simulator - Science Data Generator Phase 3 development - Basic IR MULTIACCUM Mode - IR Dark Calibrations - UVIS & IR Lamp Operations 7/1/01-12/31/01 Phase 2 & 3 SMS Test Window 4/5/02-7/4/02 IR Subarrays (from phase 5) 1/1/02-6/30/02 WFC3 STScI Ground System Support Development Flow (Phases 2 – 4) FSW 3.0 SMGT No earlier than 5/1/03 Remainder of phase 5 and phases 6 & 7 development (needed post Launch) FSW 2.2 FSW 2.3 Macro Timing Macro Timing Macro Timing