EVA-EXP-0042 REVISION B National Aeronautics and EFFECTIVE D AT E: OCTOBER 19, 2020 Space Administration EXPLORATION EVA SYSTEM CONCEPT OF OPERATIONS “This document has been reviewed for Proprietary, SBU, and Export Control (ITAR/EAR) and has been determined to be non-sensitive. It has been released to the public via the NASA Scientific and Technical Information (STI) Process DAA Number 20205008200.” Verify that this is the correct version before use EVA-CM-001 01/28/2020 Revision: B Document No: EVA-EXP-0042 Effective Date: October 19, 2020 Page: 2 of 175 Title: Exploration EVA System Concept of Operations Prepared by: David Coan Digitally signed by David Coan (affiliate) ___________________________________________________(affiliate) Date: 2020.10.16 10:29:48 -05'00' XX/David Coan, EVA Operations & Engineering Specialist Concurred by: Digitally signed by LORI LORI CROCKER Date: 2020.10.16 11:06:58 ______________________________________________________CROCKER -05'00' XX/Lori Crocker, EVA Strategic Integration Office, Manager Approved by: Digitally signed by CHRISTOPH CHRISTOPHER HANSEN Date: 2020.10.19 09:19:13 ____________________________________________ER HANSEN -05'00' XX/Christopher P. Hansen, EVA Office, Manager "This document does not contain export control information” Revision: B Document No: EVA-EXP-0042 Effective Date: October 19, 2020 Page: 3 of 175 Title: Exploration EVA System Concept of Operations REVISION AND HISTORY PAGE Revision Change Release Description No. No. Date B Revision B (Reference EVA-CR-00082) 10/07/2020 New template (change in section numbers) Section 1: Updated with Artemis Program Section 2: Updated references Section 3: Added Artemis Program and phases Section 4: Consolidated information, incorporated information from EVA-EXP-0075, community work on xEVA System, the Artemis Program, Gateway, HLS, and LTV Section 5: Minor cleanup and updates Section 6: Minor cleanup and updates Section 7: Updated per Artemis Program Section 8: Minor cleanup and updates Section 9: Minor cleanup and updates Appendices: New appendices with details and information from revision A, along with architecture information moved to annexes A Revision A (Reference CR EVA-CR-00048 dated 07/03/2019 07/03/2019) Section 1: Updates and clarifications Section 2: Clarifications and formatting updates Section 3: Most of section moved to EVA-EXP-0041 Section 4: Content reduced and simplified Section 5: Updates to xEVA System overview Section 6: Minor cleanup Section 7: Minor cleanup Section 8: Updated lunar details per Artemis and EVA- EXP-0075 Section 9: Minor cleanup Baseline Baseline (per EVA-CR-00032) 12/20/2017 EVA-REF-004 Revision History Initial Draft Preliminary Baseline 05/17/2016 Pre Baseline 07/07/2014 "This document does not contain export control information” Revision: B Document No: EVA-EXP-0042 Effective Date: October 19, 2020 Page: 4 of 175 Title: Exploration EVA System Concept of Operations TABLE OF CONTENTS SECTION PAGE 1.0 INTRODUCTION .............................................................................................. 11 1.1 PURPOSE........................................................................................................ 11 1.2 SCOPE ............................................................................................................ 11 1.3 CHANGE AUTHORITY/RESPONSIBILITY ........................................................ 12 2.0 DOCUMENTS .................................................................................................. 13 2.1 APPLICABLE DOCUMENTS ............................................................................ 13 2.2 REFERENCE DOCUMENTS ............................................................................ 13 3.0 EXPLORATION PROGRAM & ARCHITECTURE GOALS ................................. 15 3.1 RETURNING TO THE MOON........................................................................... 15 3.1.1 Space Policy Directive – 1 .................................................................. 15 3.1.2 5th Meeting of the National Space Council .......................................... 15 3.2 ARTEMIS LUNAR PROGRAM.......................................................................... 15 3.2.1 Artemis Phase 1................................................................................. 15 3.2.2 Artemis Phase 2................................................................................. 16 3.3 INTO THE PROVING GROUND (AND ON TO MARS) ...................................... 17 4.0 EXPLORATION EVA AND MISSION SYSTEMS OVERVIEW............................ 20 4.1 EXPLORATION EVA OVERVIEW..................................................................... 20 4.1.1 xEVA System Definition ..................................................................... 20 4.1.2 Exploration EVA System Strategy ...................................................... 22 4.1.3 Phases of Operations for xEVA System .............................................. 26 4.1.4 Frequency and Duration of EVAs ....................................................... 29 4.1.5 EVA Tasks for Exploration Missions ................................................... 30 4.2 XEVA SYSTEM KEY CAPABILITIES & FEATURES.......................................... 35 4.2.1 xEVA Suit and Ancillary xEVA Equipment........................................... 36 4.2.2SE VI .................................................................................................. 49 4.2.3 xEVA Accessories ............................................................................. 50 4.2.4 EVA Task Tools & Equipment ............................................................ 50 4.3 AUXILIARY SUPPORT SYSTEMS FOR XEVA ................................................. 52 4.3.1 Navigation & Tracking........................................................................ 52 4.3.2 EVA Mission Support System............................................................. 55 "This document does not contain export control information” Revision: B Document No: EVA-EXP-0042 Effective Date: October 19, 2020 Page: 5 of 175 Title: Exploration EVA System Concept of Operations 4.4 EGRESS/INGRESS METHODS ....................................................................... 57 4.5 SPACECRAFT ................................................................................................. 58 4.5.1 Orion ................................................................................................. 58 4.5.2 Gateway ............................................................................................ 59 4.5.3 HLS (Human Landing System) ........................................................... 61 4.6 SURFACE MOBILITY ....................................................................................... 63 4.6.1 Lunar Terrain Vehicle (LTV)............................................................... 63 4.6.2 Crewed Pressurized Rovers (CPR) .................................................... 64 5.0 CONCEPT OF OPERATIONS FOR EVA ON A SPACECRAFT ........................ 66 5.1 CON OPS FOR EVA ON ISS (MICROGRAVITY EVA IN LEO).......................... 66 5.1.1 Demonstration of xEVA Suit (xEMU) on ISS........................................ 66 5.1.2 ISS Nominal Operations with xEVA Suit ............................................. 67 5.2 CON OPS FOR EVA ON GATEWAY (MICROGRAVITY EVA IN CISLUNAR SPACE) ................................................................................................................. 68 5.2.1 General Aspects of EVA on Gateway ................................................. 68 5.2.2 Road-to EVA (Gateway)..................................................................... 70 5.2.3 EVA Prep & Prebreathe (Gateway) .................................................... 71 5.2.4 EVA (Gateway) .................................................................................. 73 5.2.5 Post EVA (Gateway) .......................................................................... 74 6.0 CONCEPT OF OPERATIONS FOR EVA ON A SMALL NATURAL BODY ......... 75 6.1 CON OPS FOR EVA ON A CAPTURED ASTEROID......................................... 75 6.1.1 Road-to EVA (Captured Asteroid) ...................................................... 75 6.1.2 Prep & Prebreathe on EVA Day (Captured Asteroid) .......................... 76 6.1.3 EVA (Captured Asteroid) ................................................................... 77 6.1.4 Post EVA (Captured Asteroid) ........................................................... 78 6.2 CON OPS FOR EVA ON A NEAR EARTH ASTEROID (NEA) ........................... 78 6.2.1 Road-to EVA (NEA)............................................................................ 79 6.2.2 Prep & Prebreathe on EVA Day (NEA) ............................................... 79 6.2.3 EVA (NEA) ......................................................................................... 80 6.2.4 Post EVA (NEA) ................................................................................. 82 6.3 CON OPS FOR EVA ON THE MOONS OF MARS ............................................ 82 6.3.1 Road-to EVA (Moons of Mars)............................................................ 82 6.3.2 Prep & Prebreathe for EVA (Moons of Mars) ...................................... 82 "This document does not contain export control information” Revision: B Document No: EVA-EXP-0042 Effective Date: October 19, 2020 Page: 6 of 175 Title: Exploration EVA System Concept of Operations 6.3.3 EVA (Moons of Mars) ........................................................................