Lessons Learned Project Overview 1 Jan 29, 2008 THEMIS Introduction Jan 29, 2008

Lessons Learned Project Overview 2 Jan 29, 2008 Agenda Mission Objectives Organization Schedule Mission Implementation S/C & Instrument Description Ground Systems Mission Operations Agenda

Lessons Learned Project Overview 3 Jan 29, 2008 Substorms

Lessons Learned Project Overview 4 Jan 29, 2008 Reconnection Current disruption Aurora Earth and Space Platforms

Lessons Learned Project Overview 5 Jan 29, 2008 Program Organization PI Mode PI Team Provides Space, Ground, Data Segments PI Team Provides Cost, Schedule, Performance Assurance PI Team Provides Education/Public Outreach Cost and Schedule Caps Single Cost Cap for the Mission $180M (FY07) Launch no later than March 2007 (Launch Feb 2007) Performance Assurance MIDEX Quality Requirements  Implementation Strategy Use Heritage Instrumentation Coordinate Common Buy Parts Keep Probe/Probe Carrier Simple and Robust Leave Complexity on the Ground Build & Verify Probe 1, then Probes 2-5 Organization

Lessons Learned Project Overview 6 Jan 29, 2008 Organization Mission Manager Frank Snow, GSFC Mission Manager Frank Snow, GSFC Financial Mgr K. Harps, UCB Financial Mgr K. Harps, UCB Launch Vehicle G. Skrobott, KSC Launch Vehicle G. Skrobott, KSC Project Scientist D. Sibeck, GSFC Project Scientist D. Sibeck, GSFC THEMIS PI V. Angelopoulos, UCB THEMIS PI V. Angelopoulos, UCB Project Manager P. Harvey, UCB Project Manager P. Harvey, UCB Science Co-I’s EPO N. Craig, UCB EPO N. Craig, UCB Subcontracts J. Keenan, UCB Subcontracts J. Keenan, UCB Scheduling D. Meilhan, UCB Scheduling D. Meilhan, UCB Quality Assurance R. Jackson, UCB Quality Assurance R. Jackson, UCB Mission Systems E. Taylor, UCB Mission Systems E. Taylor, UCB Mechanical/ Thermal Systems P. Turin, UCB C. Smith, UCB Mechanical/ Thermal Systems P. Turin, UCB C. Smith, UCB Mag Cleanliness C. Russell, UCLA Mag Cleanliness C. Russell, UCLA Probe/Probe Carrier Management UCB Oversight: D. King Swales Mgr: M. Cully Probe/Probe Carrier Management UCB Oversight: D. King Swales Mgr: M. Cully Instruments P. Berg, UCB Instruments P. Berg, UCB Operations M. Bester, UCB Operations M. Bester, UCB Software Systems D. King, UCB Software Systems D. King, UCB Mission I&T J. McCauley, UCB R. Sterling, UCB Mission I&T J. McCauley, UCB R. Sterling, UCB

Lessons Learned Project Overview 7 Jan 29, 2008 Organization Instruments P. Berg Instruments P. Berg Electric Field Instrument (EFI) J. Bonnell Electric Field Instrument (EFI) J. Bonnell Electrostatic Analyzer (ESA) C. Carlson Electrostatic Analyzer (ESA) C. Carlson Solid State Telescope (SST) D. Larson Solid State Telescope (SST) D. Larson Instrument Data Processor Unit (IDPU) M. Ludlam Instrument Data Processor Unit (IDPU) M. Ludlam Fluxgate Mag (FGM) U. Auster Fluxgate Mag (FGM) U. Auster Search Coil Mag (SCM) A. Roux Search Coil Mag (SCM) A. Roux Forrest Mozer Greg Delory Art Hull Bill Donakowski Greg Dalton Robert Duck Dan Schickele Stu Harris Hilary Richard Forrest Mozer Greg Delory Art Hull Bill Donakowski Greg Dalton Robert Duck Dan Schickele Stu Harris Hilary Richard Robert Abiad Peter Berg Heath Bersch Dorothy Gordon Selda Heavner Jim Lewis Jeanine Potts Nestor Castillo Robert Abiad Peter Berg Heath Bersch Dorothy Gordon Selda Heavner Jim Lewis Jeanine Potts Nestor Castillo C. Scholz M. Marckwardt Bill Elliott Heath Bersch C. Scholz M. Marckwardt Bill Elliott Heath Bersch Ron Canario Robert Lee T. Moreau Ron Canario Robert Lee T. Moreau Hari Dharan Tien Tan Bill Tyler Hari Dharan Tien Tan Bill Tyler TUBS/IWF Uli Auster K. Glassmeier W. Magnes TUBS/IWF Uli Auster K. Glassmeier W. Magnes CETP Alain Roux Bertran de la Porte Olivier Le Contel Christophe Coillot A. Bouabdellah CETP Alain Roux Bertran de la Porte Olivier Le Contel Christophe Coillot A. Bouabdellah LASP Robert Ergun Aref Nammari Ken Stevens Jim Westfall LASP Robert Ergun Aref Nammari Ken Stevens Jim Westfall Mag Booms Mag Booms

Lessons Learned Project Overview 8 Jan 29, 2008 Organization Ground Segment Mission Ops Science Ops Flight Dynamics Mission Ops Science Ops Flight Dynamics Ground Based Observatories Manfred Bester Mark Lewis Tim Quinn Sabine Frey Tai Phan Manfred Bester Mark Lewis Tim Quinn Sabine Frey Tai Phan Stephen Mende Stu Harris Harald Frey Stephen Mende Stu Harris Harald Frey UCLA Chris Russell Joe Means Dave Pierce Bob Snare UCLA Chris Russell Joe Means Dave Pierce Bob Snare All Sky Imagers All Sky Imagers Ground Magnetometers Fielding & Operation (UC&UA) Fielding & Operation (UC&UA) UC Eric Donovan UC Eric Donovan GSFC/GCND David Sibeck Mark Beckman Bob DeFazio Rick Harman GSFC/GCND David Sibeck Mark Beckman Bob DeFazio Rick Harman UA J. Samson UA J. Samson

Lessons Learned Project Overview 9 Jan 29, 2008 Launch Vehicle:Delta II, Eastern Range Apogee: km ± 9567 km Perigee:435 km ± 10 km (500 km ± 7 km on or after 3/1/2007) Inclination:16.0 deg ± 0.5 deg Date:February 17, 2007 Space Segment Spacecraft:5 Spinning Probes with Fuel for Orbit & Attitude Adjust Instruments:3-Axis Electric Field, Magnetic Field 3-D Ion & Electron Particle Detectors Spin Rate:20 RPM Orbit Period(s):1, 2 and 4 days Orientation:Ecliptic Normal Ground Segment Observatories:20 Northern with All Sky Imagers and Magnetometers Control Facilities:Mission and Science Operations Centers Operations Phases:L&EO, Cruise, Ascent, Campaigns, De-orbit Lifetime:2.5 years Mission Overview

Lessons Learned Project Overview 10 Jan 29, 2008 Instrument Configuration IDPU: Instrument Data Processor Unit SPB : Spin Plane Booms (4x) AXB : Axial Booms (2x) SST : Solid State Telescope (2x) ESA : Electrostatic Analyzer FGM : Fluxgate Magnetometer SCM : Search Coil Magnetometer

Lessons Learned Project Overview 11 Jan 29, 2008 Fuel Tank ESA EFI SPB Thruster T1 EFI Axial Booms (2, Stowed) Battery BAU Repress Tank Miniature Sun Sensor Transponder Thruster T2 IDPU Fuel Tank Antenna EFI SPB Thruster A1 Thruster A2 AEB Gyros 11 Probe Configuration

Lessons Learned Project Overview 12 Jan 29, 2008 Launch Vehicle

Lessons Learned Project Overview 13 Jan 29, 2008 Mission Data Flows JPL I&T Facility Berkeley Mission Operations Center White Sands Complex Compatibility Test Van GSFC NMC Wallops Ground Station Different Routes for End-to-end Data Flows Between Probes and GS Elements Berkeley Ground Station THEMIS Probe Secure Intranet TDRS Secure VPN Tunnel via Open Internet Notes: Open (1), Restricted (2) or Closed (3) IONet Open IONet Hartebeesthoek Ground Station Dial-up ISDN Line Santiago Ground Station Merritt Island Ground Station KSC & Astrotech UCB I&T Facility (3) (1) (2) (3)

Lessons Learned Project Overview 14 Jan 29, 2008 Ground Based Observatories UCB/UCLA Delivered All 20 GBO (GMAG and ASI) units Automatic Data Collection and Archiving in Progress Remote Commanding and Diagnostics Working Courtesy H.Frey, UCB Geographic Longitude 324° Geographic Longitude 195° Geomagnetic North Pole Geographic North Pole

Lessons Learned Project Overview 15 Jan 29, 2008 EPO Sites GBO Sites Ground Based Observatories

Lessons Learned Project Overview 16 Jan 29, 2008 Ground Based Data Flows

Lessons Learned Project Overview 17 Jan 29, 2008 Schedule

Lessons Learned Project Overview 18 Jan 29, 2008 Major Reviews

Lessons Learned Project Overview 19 Jan 29, 2008 Probe 2 I&T Probe Fit Check F2 I&T at UCB Magnetics at JPL EMC at JPL VIB at JPL TV at JPL

Lessons Learned Project Overview 20 Jan 29, 2008 Probes 1,3,4,5 I&T FM2/FM3 Thermal Vacuum FM4/5 in Thermal Vac Probe I&T Bus Assembly

Lessons Learned Project Overview 21 Jan 29, 2008 JPL2 PCA Buildup PCA Assembly and Test

Lessons Learned Project Overview 22 Jan 29, 2008 JPL2 Environments FM2/FM3 Thermal Vacuum Vibration Thermal Vacuum Acoustics & Shock Spin Balance Storage

Lessons Learned Project Overview 23 Jan 29, 2008 ASO Probe Processing Bolt Cutter Installation Performance Tests Solar Array Illumination Delivery to ASO

Lessons Learned Project Overview 24 Jan 29, 2008 ASO Probe Fueling Vibration Thermal Vacuum Acoustics Spin Balance Storage Dry Weigh & Pressurize Fueling

Lessons Learned Project Overview 25 Jan 29, 2008 ASO PCA Processing Vibration Acoustics Spin Balance Storage SSS Installation Ready for Probes Final checks Spin Balance PCA Integration Fairing Installation

Lessons Learned Project Overview 26 Jan 29, 2008 ASIGMAG Production UCB EPO GMAG Fort Yukon, AK, site Ground Based Observatories

Lessons Learned Project Overview 27 Jan 29, 2008 Flight Profile

Lessons Learned Project Overview 28 Jan 29, 2008 Mission Profile 81

Lessons Learned Project Overview 29 Jan 29, 2008 Coast Placement Tail 1 Orbit Plans

Lessons Learned Project Overview 30 Jan 29, 2008 Probe Placement Decision Assigned Constellation IDs (P1−P5) to Probe Buses THEMIS A −> P5 THEMIS B −> P1 THEMIS C −> P2 THEMIS D −> P3 THEMIS E −> P4 Decision Based on Probe Bus and Instrument Performance –Also Included Performance Details Found During Ground Testing –Only Differences Noted Are in Telecom System Team Members Involved in Probe Placement Decision –PI, PM, MSE, MOM, MDL, Swales Probe Bus Systems Lead, Instrument Scientists, GSFC Program Manager and GSFC Project Scientist

Lessons Learned Project Overview 31 Jan 29, 2008 Predicted conjunctions exceed 188hrs/season with ~50% margin Year at a Glance

Lessons Learned Project Overview 32 Jan 29, 2008 Inst Status Instrument Status Charts (5 Flight & Spare)

Lessons Learned Project Overview 33 Jan 29, 2008 PFR Tracking PFR Status Charts (vs. 5 Flight & Spare)

Lessons Learned Project Overview 34 Jan 29, 2008 PFR Statistics PFR Statistics Coverage -Instrument I&T -Probe-Instrument I&T -Environments thru Launch Sequence of Events -Probe Bus A flow halted at Swales -Probe Bus B, Inst B integrated first -Completed Probe B before Integrating the rest -Sequence: B-CDEA or

Lessons Learned Project Overview 35 Jan 29, 2008 PFR Statistics

Lessons Learned Project Overview 36 Jan 29, 2008 Top Problems Bus I&TProbe 1 Deck Fabrication Problems (3x) Bus I&TProbe 1 RCS Pressure Transducer Bus I&TOverall Schedule Probe I&TAll BAU Sockets Showed Damage Probe I&TAll Transponders Built with Pure Tin Lugs Probe I&TAll Transponders Filter Modification Required Probe I&TAll Diplexors Mod for Vib Failure, Venting Modification and Retest EnvironmentsProbe 2 Fuel Line Backup thermostat near spec EnvironmentsAll EFI Axial Boom Covers Contaminated Pre-LaunchAll EFI Preamp Capacitors Needed Replacement