The document discusses the Constellation Program's (CxP) first "Season of Systems Requirements Reviews" (SRRs). The SRRs will focus on baselining operational concepts, requirements, and functional allocations for transportation systems to and from low Earth orbit and lunar orbit. This includes the Orion crew exploration vehicle, Ares launch vehicles, ground and mission operations, and extra-vehicular activity systems. The SRRs aim to complete system requirements descriptions and preliminary interface definitions to the extent possible. Future SRR seasons will address additional capabilities for a sustained human presence on the Moon.

1. The Power of a “Can Do” team:
Conducting the Constellation SRR
Matt Leonard, PMP
Deputy Manager
Lunar Surface Systems Project Office
NASA

2. Agenda
♦ Introduction
♦ Team Environment
♦ Program Need
♦ Programs Culture
♦ Teams Motivation
♦ Summary
2

3. Important First Step for CxP
A Bold Vision for Space Exploration,
Authorized by Congress
♦ Complete the International Space Station
♦ Safely fly the Space Shuttle until 2010
♦ Develop and fly the Crew Exploration Vehicle no
later than 2014
♦ Return to the Moon no later than 2020
♦ Extend human presence across the solar system
and beyond
♦ Implement a sustained and affordable human and NASAÕ Exploration Roadmap
s
robotic program 1st Human
Orion Flight
♦ Develop supporting innovative technologies, 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
knowledge, and infrastructures
Initial Orion Capability Lunar Outpost Buildup
♦ Promote international and commercial participation
in exploration 7th Human
NASA Authorization Act of 2005 Lunar Robotic Missions Lunar
Landing
The Administrator shall establish a program to
develop a sustained human presence on the Science Robotic Missions QuickTime™ and a
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Moon, including a robust precursor program to
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Mars Expedition Design
promote exploration, science, commerce and U.S.
Commercial Crew/Cargo for ISS
Commercial Crew/Cargo for ISS QuickTime™ and a
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preeminence in space, and as a stepping stone to Space Shuttle Ops
future exploration of Mars and other destinations.
Orion Development
Orion Development
October 2006 2
Ares I Development
Ares I Development
Orion Production and Operations
Orion Production and Operations
Early Design Activity Lunar Lander Development
Earth Departure Stage Development
Surface Systems Development
October 2006 4
SRR Schedule Overview - Updated 10/30
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2006 2007
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Reqmts-
based 10-6 10-24 Ends 11/9 Approved Plans w/ Progressive/PrioritizedBaselining
BOARD Program
Christmas Holidays
12/1
11/14 Final of Incremental Baseline
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Kickoff Drop #2 Reqmts Document Drop
CxP SRR Del. 10/610/18 Final to Projects Synchronization
CLV Go/No Go
Rqmt. Synch.
Rqmt. Synch.
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Projects Initial
’
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12/12
CLV SRR Product Dev/Align
CLV SRR
CLV SRR
SRR K/O BOARD QuickTime™ and a
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11/06 12/19
Req B/L
for SDR &
Req B/L Products
Data Drop for IBR Pre-Board Released
12/15 12/22 Starts 1/29 2/22
CEV SRR Product Dev/Align
CEV SRR
CEV SRR
RID CO
1/12 BOARD 2/9 Final Tech
Direction
2/28
Data Drop Pre-Board
1/15 Starts 2/9
Ground Ops SRR
RID CO BOARD 2/16
1/29
RID CO
2/13 BOARD
3/6
Mission Sys SRR Data
Drop Pre-Board
Collectively We Must Maintain 1/30 Starts 2/27
Translating Vision into Timely Reality Disciplined Vertical Alignment
EVA SRR
Data Drop
2/12
Pre-Board
Starts 3/13
BOARD
3
RID CO
Thanksgiving 2/27
3/16
November 10, 2006 28

4. Learning & Leveraging From the Past
as We Lean Forward with Today’s/Tomorrow’s Technologies
• 34 Years since last Human Building on a Foundation of Proven Technologies
Space Transportation SRR - Launch Vehicle Comparisons -
– People working together will be
the key to our success
Crew
Lunar
Lander
Lander
– Must learn from/leverage Earth Departure
Stage (EDS) (1 J-2X)
499k lb LOx/LH2
robotics/unmanned expertise
S-IVB
Upper Stage (1 J-2 engine)
(1 J-2X) 240k lb Lox/LH2
280k lb LOx/LH2
– Need to strategically engage S-II
(5 J-2 engines)
Industry and DoD 5-Segment Core Stage
(5 RS-68 Engines)
1M lb LOx/LH2
Reusable
Solid Rocket 3.1M lb LOx/LH2
S-IC
Booster
(5 F-1)
(RSRB)
3.9M lb LOx/RP
5-Segment
2 RSRBÕs
Space Shuttle Ares I Ares V Saturn V
Height: 184.2 ft Height: 321 ft Height: 358 ft Height: 364 ft
Gross Liftoff Mass: 4.5M lb Gross Liftoff Mass: 2.0M lb Gross Liftoff Mass: 7.3M lb Gross Liftoff Mass: 6.5M lb
55k lbm to LEO 48k lbm to LEO 117k lbm to TLI 99k lbm to TLI
144k lbm to TLI in Dual- 262k lbm to LEO
Launch Mode with Ares I
290k lbm to LEO
October 2006 13
4

5. Systems Engineering Near-Term Focus
with Long-Term Objectives in Mind
• The scope of this initial CxP SRR and
“First Season of SRRs” covers the
architecture and engineering artifacts
associated with:
– Transportation to and from low
earth orbit
– Transportation to and from the
lunar orbit as it relates to “driving
early designs” of
CEV/CLV/GO/MO/EVA
• Also Refining Integrated Plan to
leverage off of LAT and Lander
Studies for performing Systems
Engineering in Disciplined Manner in
preparations of next Season of SRRs
5

6. Multiple Time-Phase SRRs
Addressing Additional Capabilities
PMR Revision #1
= TBD
Pre Phase A Phase C = 0% Complete
DRAFT
CxP Season of SRRs
Phase A/B Phase D = 100% Complete
Initial Capability Content Level I Level II Level III
FY06 FY07 FY08 FY09 FY10 FY11 FY12 FY13 FY14 FY15 FY16
for Lunar Transportation
T-Now
OFT-1 OFT-2 OFT-4
Flight Plan ADFT-1
ADFT-0a
CLV Launches OFT-3
Analysis of User , Selection and First Human Launch
OFT-2 OFT-3
Program Integration Pre-
Requirements Validation of Level I
SRR NAR SDR PDR NAR CDR ADFT-1 FRR OFT-1 FRR FRR FRR
Environment and Preferred System
ICPR IDAC 2 IDAC 3 IDAC 4 IDAC 5
Reorganization of Level II
Production/ Processing Acceleration Decision Point
Constraints requirements and V&V Concept Integrated T&V ADFT-1 FEIT TBD OFT-2 FEIT
OFT-1 FEIT OFT-3 FEIT
objectives by architecture MLP MLP ADFT-1
MEIT#1 (CEV / ISS) OFT-4 FEIT
Projects
Decomposition organization and commonality Verification of Ground DDT&E
PDR CDR ORD
Sched Reserve
Processing
Operations
Analysis of Integrated System
HW O/D Need
for ADFT-0a H/W O/D Need
for ADFT-1
OFT-1
Need
OFT-2
Need
Requirements and
Processing
Performance SRR SDR PDR CDR
OFT-3
Need
Determination of V & V CEV DDT&E
Del
ADFT-1
Del
OFT-1
Sched Reserve
2 3
Objectives Production
Production
SRR PDR CDR DCR
Allocation to
Sched Reserve
CLV
Functional Verification of
DDT&E
Del
ADFT-0
Del
ADFT-1
Del
OFT-1 2 3
Analysis and Project/Element Element
Production Production
Initial Ops
Production
SRR PDR IDR CDR SAR Capability
Decomposition Performance Transition Suit Production
SRR MCC Ready for OFT-1 OFT-2 OFT-3
Mission Operations DDT&E
Sched Reserve
Operations
Ops
SRR SDR PDR CDR OFT-1 ORR OFT-2 ORR
ECANS
Allocation to Verification of
Functional Allocation 6
Element/ Subsystem
subsystems Performance
CS Level II Level III
Concept Concept
Design and
Development
Baseline
CxP Season of SRRs
Analysis of User ,
for Lunar Surface Selection and
Requirements Validation of
Components of Program Constellation Environment and Reorganization of Preferred System
Constraints requirements and V&V Concept
Earth Departure
Stage objectives by architecture
Decomposition organization and commonality Verification of
Analysis of Integrated System
Orion - Crew Requirements and Performance
Exploration Vehicle Determination of V & V
Objectives
Heavy Lift
Launch
Vehicle
Functional
Analysis and
Decomposition
Allocation to
Project/Element
Verification of
Element
Performance
Setting the
Lunar
Crew Launch
Vehicle
Lander
Functional Allocation Allocation to Verification of
Right
Element/
subsystems
Subsystem
Performance
Foundation
October 2006 6
CS Level II Level III
Concept Concept
Design and Baseline
Development
6

7. This Year’s Focus – Successful Series of SRRs
CxP 1st Season or SRRs Expectations:
Operational concepts baselined Lvl I Reqmts
ORD, O&O,
ASR, SEP,
ONE Integrated
ESAS Results Agency
Army
CARD and unique specs (HSIR, CDD
Requirements Baseline Operational
Validation
Validation
Power Quality, C3I Interoperability...) CARD
baselined Arch to
n
Systems I/Fs
Re
CxP Functional and performance
tio
Multi-Element/
Reqmts
Multi-Mission
qu
i ca
allocations to systems complete to the Verification
ire
rif
SRDs & Intra
extent SRDs can be baselined at
me
Ve
Preliminary
Element I/Fs
Design
Project SRRs Reqmts
n
&
System
ts
n
Intra- system interfaces described Prime Item & CI
Integration
tio
&
Prime Item & CI Verification
Development
(IRDs, IDDs) Specs & ICDs/
De
a
Specs
gr
IRSs/SRSs
s
Verification objectives and strategies
te
ig
Subsystem
In
n
documented (Master Verification Plan) Preliminary
Integration
Verification
Design
Architecture Description Document
(ADD) baselined Notional Responsibilities:
Component
Design concepts underway CI / CSCIs Verification
Lvl 0/I
Progressive Performance assessments Lvl II
integrated and in sync
Build
Lvl III
Build
Engineering plans published (SEMP, Contracting Teams
SDP, CMP, RMP,……) and training
invoked
Technical Baseline Sync’d with Cost
ICPR SRR SDR PDR CDR First
and Schedule Baselines Mission
Risks identified with mitigation plans Set
7
Addressing Verification Aggressively and Concurrently 7