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Examinig_ORION_CREW_CAPSULE.pdf | 7 | What are the key over-arching questions the Subcommittee is examining regarding the Space Launch System (SLS) and Orion Crew Capsule? | |
Examinig_ORION_CREW_CAPSULE.pdf | 8 | What is the historical context and legislative mandate behind the development of the Space Launch System (SLS) and Orion crew capsule? | |
Examinig_ORION_CREW_CAPSULE.pdf | 9 | What are the key technical features and current development status of the Orion Multipurpose Crew Capsule? | |
Examinig_ORION_CREW_CAPSULE.pdf | 10 | What are the key technical features and specifications of the Space Launch System (SLS), including its propulsion systems and planned upgrades? | |
Examinig_ORION_CREW_CAPSULE.pdf | 11 | What is the status of the J-2X engine development and the advanced booster program for the SLS? | |
Examinig_ORION_CREW_CAPSULE.pdf | 12 | How does the Space Launch System (SLS) enable future scientific missions, and what are the key findings from the National Academy of Sciences report on this topic? | |
Examinig_ORION_CREW_CAPSULE.pdf | 31 | What are the key technical objectives of the Exploration Flight Test-1 (EFT-1) mission, and what specific performance capabilities will it demonstrate? | |
Examinig_ORION_CREW_CAPSULE.pdf | 33 | What are the primary technical challenges associated with the development of the Space Launch System (SLS), and how is Boeing addressing these challenges, particularly concerning the core stage? | |
Examinig_ORION_CREW_CAPSULE.pdf | 34 | How is Boeing mitigating the risks associated with the SLS program, and what specific examples are provided? | |
Examinig_ORION_CREW_CAPSULE.pdf | 36 | What are the three key elements of NASA's path forward for human spaceflight and space exploration, as outlined in the provided document? | |
Examinig_ORION_CREW_CAPSULE.pdf | 37 | What are the specific integration challenges associated with combining the existing elements of the SLS with the new core stage design? | |
Examinig_ORION_CREW_CAPSULE.pdf | 38 | How does the flat budget profile influence the development of the SLS, and what are the implications of this for the program's evolution? | |
Examinig_ORION_CREW_CAPSULE.pdf | 39 | What is the Boeing approach to maximize production and operations efficiency during the design and development phase of the SLS? | |
Examinig_ORION_CREW_CAPSULE.pdf | 40 | What are the key milestones and progress made in the development of the SLS core stage, including manufacturing and avionics? | |
Examinig_ORION_CREW_CAPSULE.pdf | 43 | How can the Space Launch System (SLS) enable new possibilities for space science, and what specific examples are provided? | |
Examinig_ORION_CREW_CAPSULE.pdf | 44 | What are the key characteristics of the SLS that enable ambitious scientific missions? | |
Examinig_ORION_CREW_CAPSULE.pdf | 61 | What are the key challenges in maintaining progress on the Orion and SLS architectures, and what is needed to address those challenges, as identified by Mr. Dumbacher? | |
Examinig_ORION_CREW_CAPSULE.pdf | 62 | According to Mr. Lacefield, what is the most significant challenge facing the Orion program's supply chain, and what specific examples are provided to illustrate this challenge? | |
Examinig_ORION_CREW_CAPSULE.pdf | 67 | Question 7 from Mr. Dumbacher's post-hearing questions asks about the service module for the EM-1 test flight. What is the question, and what is the technical risk associated with the service module? | |
Examinig_ORION_CREW_CAPSULE.pdf | 68 | What is the rationale behind NASA's decision to pursue an advanced booster competition and development, as posed in Question 1 from Rep. Costello, and what are the implications for the upper stage engine? | |
Examinig_ORION_CREW_CAPSULE.pdf | 69 | What are the potential destinations that the SLS and Orion can reach, and how does the payload capacity change with different SLS configurations, as outlined in Rep. Rohrabacher's questions? | |
Examinig_ORION_CREW_CAPSULE.pdf | 72 | According to Mr. Lacefield's response to Rep. Costello's question, what are the most significant safety challenges facing Orion? | |
Examinig_ORION_CREW_CAPSULE.pdf | 73 | What actions does Mr. Lacefield believe are needed to address the fragility of the supply chain in the US, and what factors contribute to this fragility? | |
Examinig_ORION_CREW_CAPSULE.pdf | 76 | According to Mr. Chilton, what are the key safety features of the SLS design, and how does the program leverage heritage hardware to ensure safety? | |
Examinig_ORION_CREW_CAPSULE.pdf | 77 | What are the key trade-offs that must be considered when deciding on the upper stage propulsion and advanced boosters for the SLS evolution, according to Mr. Chilton? | |
Ariane-5-Users-Manual-2000.pdf | 8 | What are the key performance characteristics of the Ariane 5G launch vehicle, specifically concerning Geosynchronous Transfer Orbit (GTO) missions? | |
Ariane-5-Users-Manual-2000.pdf | 9 | What are the performance characteristics of the Ariane 5 ES launch vehicle for various orbit types, including Low Earth Orbit (LEO), High Elliptical Orbit (HEO), Medium Earth Orbit (MEO), and Escape missions? | |
Ariane-5-Users-Manual-2000.pdf | 10 | What are the key electrical interfaces and services provided at the base of the spacecraft adaptor for Ariane 5 launches? | |
Ariane-5-Users-Manual-2000.pdf | 11 | What are the key phases and activities involved in the spacecraft field operations and planning for an Ariane 5 launch? | |
Ariane-5-Users-Manual-2000.pdf | 61 | What is the integrated acoustic vibration level at lift-off for the Ariane 5, and what is the reference pressure used for its measurement? | |
Ariane-5-Users-Manual-2000.pdf | 62 | Describe the shock environment experienced by the spacecraft during separation events on the Ariane 5, and what are the key frequencies and g-levels at the spacecraft separation interface? | |
Ariane-5-Users-Manual-2000.pdf | 64 | What are the three phases of the thermal environment that must be considered for the spacecraft, and what are the key specifications for the air-conditioning system provided during the pre-launch phase? | |
Ariane-5-Users-Manual-2000.pdf | 66 | What is the maximum aerothermal flux allowed on the fairing during the standard Ariane 5 G and ES trajectory, and what is the typical profile of the aerothermal flux over time? | |
Ariane-5-Users-Manual-2000.pdf | 67 | What is the maximum aerothermal flux allowed on the fairing during the standard Ariane 5 ECA trajectory, and what is the typical profile of the aerothermal flux over time? | |
Ariane-5-Users-Manual-2000.pdf | 68 | What is the maximum organic contamination generated in the clean rooms of the BAF and EPCU buildings, and what are the limits for organic deposits on the spacecraft from encapsulation to separation? | |
Ariane-5-Users-Manual-2000.pdf | 70 | What are the key characteristics of the telemetry system, telecommand-destruct reception system, and radar transponder system used on the Ariane 5 launch vehicle? | |
Ariane-5-Users-Manual-2000.pdf | 74 | Describe the different payload compartment configurations available for the Ariane 5, including the fairing, SPELTRA, and SYLDA 5, and how the separation of each is achieved. | |
Ariane-5-Users-Manual-2000.pdf | 78 | What are the standard Ariane adaptors available for spacecraft mounting, and what is the diameter and hole configuration of the 2624 mm and 3936 mm bolted interfaces? | |
Ariane-5-Users-Manual-2000.pdf | 82 | What are the key geometric characteristic symbols used in the document, and what is the maximum surface roughness value specified? | |
Ariane-5-Users-Manual-2000.pdf | 83 | What is the required earth-potential continuity specification for the spacecraft, and what are the electrical services available at the base of the spacecraft adaptor? | |
Ariane-5-Users-Manual-2000.pdf | 85 | What is the number of wires available in the umbilical link, and what are the key electrical characteristics and operating constraints of the umbilical link and separation command? | |
Ariane-5-Users-Manual-2000.pdf | 86 | What are the main electrical characteristics of the pyrotechnic commands, and what are the requirements for the user's protection of the circuits? | |
Ariane-5-Users-Manual-2000.pdf | 87 | What are the main electrical characteristics of the dry-loop commands, and what are the protection requirements for the user? | |
Ariane-5-Users-Manual-2000.pdf | 88 | What are the main electrical characteristics of the electrical commands, and what are the utilization constraints for the user? | |
Ariane-5-Users-Manual-2000.pdf | 92 | What are the total mass loss (TML) and collected volatile condensable material (CVCM) criteria for spacecraft materials, and what is the reference procedure for measurement? | |
Ariane-5-Users-Manual-2000.pdf | 92 | What are the static unbalance limits for spun-up and three-axis stabilized spacecraft, and how do they relate to spacecraft mass? | |
Ariane-5-Users-Manual-2000.pdf | 92 | What is the maximum dynamic imbalance allowed for spacecraft requiring spin-up, and how is it related to the angular transverse rate after separation? | |
Ariane-5-Users-Manual-2000.pdf | 92 | What are the lateral and longitudinal fundamental frequency requirements for spacecraft, and how do they vary depending on whether the user or Ariane adaptor is used? | |
Ariane-5-Users-Manual-2000.pdf | 93 | What are the critical flight events that determine the quasistatic loads (QSL) for spacecraft design, and what are the corresponding flight limit loads for each event? | |
Ariane-5-Users-Manual-2000.pdf | 94 | What safety factors are required by Arianespace for dimensioning spacecraft structures, and what is the approach for designing secondary structures and flexible elements? | |
Ariane-5-Users-Manual-2000.pdf | 94 | What is the maximum allowable line load induced by the spacecraft at the spacecraft/adaptor interface, and what is the impact of non-uniform thrust transmission on line loads? | |
Ariane-5-Users-Manual-2000.pdf | 94 | What are the three approaches for spacecraft structural qualification and acceptance tests, and what tests are included in each approach? | |
Ariane-5-Users-Manual-2000.pdf | 95 | What is the minimum safety factor to be applied during static qualification tests, and how is it determined? | |
Ariane-5-Users-Manual-2000.pdf | 96 | What are the qualification and acceptance levels for sinusoidal vibration tests in the longitudinal and lateral axes, including frequency ranges and displacement/acceleration levels? | |
Ariane-5-Users-Manual-2000.pdf | 96 | What are the qualification and acceptance acoustic vibration test levels for each octave band center frequency? | |
Ariane-5-Users-Manual-2000.pdf | 97 | How is the fill factor of a spacecraft considered during acoustic vibration testing, and what are the correction factors applied? | |
Ariane-5-Users-Manual-2000.pdf | 97 | Describe the process for demonstrating a spacecraft's ability to withstand shock, including the two-step approach and the tests involved. | |
Ariane-5-Users-Manual-2000.pdf | 97 | What interface tests can be arranged at the user's request, and what hardware is provided for each test? | |
Ariane-5-Users-Manual-2000.pdf | 99 | What are the telecommand constraints during the powered phase of the launch vehicle and after spacecraft separation? | |
Ariane-5-Users-Manual-2000.pdf | 101 | What are the three phases of spacecraft operations at the CSG, and where do these operations take place? | |
Ariane-5-Users-Manual-2000.pdf | 101 | What is the maximum duration of the spacecraft campaign, from equipment arrival to departure, and what is the typical operations schedule? | |
Ariane-5-Users-Manual-2000.pdf | 107 | Where are the spacecraft hazardous operations carried out, and what is the role of the S3C building in these operations? | |
Ariane-5-Users-Manual-2000.pdf | 107 | Describe the process for preparing and handling solid propellant motors (SPMs) during Phase 2 operations. | |
Ariane-5-Users-Manual-2000.pdf | 110 | What is the earliest time the spacecraft can be transported to the S3 building, and what equipment is used for monitoring and controlling the spacecraft in S3? | |
Ariane-5-Users-Manual-2000.pdf | 121 | Referring to Figure 5.4.3.11.c, describe the spacecraft remote control configuration for combined operations, including the roles of OCOE and COTE, and the data flow. | |
Ariane-5-Users-Manual-2000.pdf | 122 | Describe the typical flow diagram (J-3 to J0) for the Ariane 5 launch operations, as depicted in Figure 5.4.3.11.d, including the key activities and timelines. | |
Ariane-5-Users-Manual-2000.pdf | 123 | Based on Figure 5.4.3.11.e, explain the principle of spacecraft/launch pad interfaces, including the role of the CMCU, RCU, and the data links. | |
Ariane-5-Users-Manual-2000.pdf | 125 | Describe the responsibilities of the key personnel involved in Ariane 5 launch operations, as defined in section 5.5, focusing on the roles of DMS, CPS, RPS, RCUA, CM, and COEL. | |
Ariane-5-Users-Manual-2000.pdf | 126 | Based on Figure 5.5.a, describe the typical operational countdown organization, including the flow of information and authorization. | |
Ariane-5-Users-Manual-2000.pdf | 128 | Define the key terms related to launch windows, as described in section 5.6.1.1, and explain the procedure for dual GTO launches (5.6.1.2) and the constraints (5.6.1.3). | |
Ariane-5-Users-Manual-2000.pdf | 131 | Describe the documentation system associated with an Ariane mission, as outlined in Chapter 6, including the typical mission integration schedule and the role of the DUA and DCI. | |
Ariane-5-Users-Manual-2000.pdf | 133 | Explain the safety baseline documents and submission procedure, as described in section 6.3, including the three phases of submission and the topics covered in the safety check list. | |
Ariane-5-Users-Manual-2000.pdf | 136 | Describe the Preliminary and Final Mission Analyses (6.4.2 and 6.4.3), including the studies performed in each stage. | |
Ariane-5-Users-Manual-2000.pdf | 137 | What are the requirements for the spacecraft environment test file, payload mass characteristics, and post-launch documents (6.4.4, 6.4.5, and 6.4.6)? | |
Ariane-5-Users-Manual-2000.pdf | 152 | What specific information is required in the 'SPACECRAFT description and mission summary' section of the Ariane 5 application format, and what are the key parameters that need to be specified? | |
Ariane-5-Users-Manual-2000.pdf | 153 | Describe the requirements for specifying the launch window(s) and separation conditions, including the inertial reference frame and orientation definitions. | |
Ariane-5-Users-Manual-2000.pdf | 154 | What are the requirements for spacecraft geometry and mass properties data submission in the application format? | |
Ariane-5-Users-Manual-2000.pdf | 155 | What specific data is required in the table format for mass properties, and what are the associated notes and constraints? | |
Ariane-5-Users-Manual-2000.pdf | 156 | What propellant and pressurant characteristics must be provided in the application, and what specific parameters are required for each? | |
Ariane-5-Users-Manual-2000.pdf | 157 | Detail the requirements for mechanical interface specifications, differentiating between spacecraft using Ariane-supplied adaptors and those providing their own. | |
Ariane-5-Users-Manual-2000.pdf | 158 | What are the requirements for specifying electrical interfaces, including umbilical connectors and data links? | |
Ariane-5-Users-Manual-2000.pdf | 159 | What are the requirements for radioelectrical interfaces, including antenna diagrams and spacecraft transmission plans? | |
Ariane-5-Users-Manual-2000.pdf | 162 | What are the requirements for the 'Safety Submission' phase 1, and what specific information is needed for electro-pyrotechnic devices? | |
Ariane-5-Users-Manual-2000.pdf | 164 | Describe the spacecraft accessibility requirements, including access door dimensions and placement constraints within the fairing, SYLDA 5, and SPELTRA. | |
Ariane-5-Users-Manual-2000.pdf | 171 | Describe the usable volume available to the payload under the fairing, SPELTRA, and SYLDA 5, and how it is defined. | |
Ariane-5-Users-Manual-2000.pdf | 175 | Describe the characteristics of the 937V5 adaptor, including its dimensions, mass, separation mechanism, and spring forces. | |
Ariane-5-Users-Manual-2000.pdf | 184 | What are the key mechanical features and separation mechanisms of the 937VB5 adaptor, including the clampband, springs, and umbilical connectors? | |
Ariane-5-Users-Manual-2000.pdf | 193 | Describe the mechanical design and separation system of the 1194V5 adaptor, focusing on the clampband, separation actuators, and material requirements. | |
Ariane-5-Users-Manual-2000.pdf | 202 | Detail the design and operation of the 1194H adaptor, including the clampband design, thermal management during clampband installation, and separation mechanism. | |
Ariane-5-Users-Manual-2000.pdf | 203 | What are the specific features of the 1194H clampband design as illustrated in Figure A8.2-1? | |
Ariane-5-Users-Manual-2000.pdf | 211 | What is the primary function of the 1663SP5 adaptor, and what are the key components involved in the spacecraft separation mechanism? | |
Ariane-5-Users-Manual-2000.pdf | 219 | Describe the spacecraft separation mechanism and the force application method used by the 1666V5 adaptor. | |
Ariane-5-Users-Manual-2000.pdf | 227 | Detail the spacecraft separation system and the role of the clampband in the 2624 adaptor. | |
Ariane-5-Users-Manual-2000.pdf | 235 | What are the two main dispenser designs proposed by Arianespace, and how do they accommodate multiple payloads? |
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