Directed-Call 2 Attachment 1 SMS GRACs

NextSTEP-3 Appendix B Attachment 1
Surface Mating System Ground Rules, Assumptions, and
Constraints

2 October 2026

National Aeronautics and Space Administration
Lyndon B. Johnson Space Center
Houston, Texas 77058

Use export-related wording from your approved submittal in EXPRT system. Pre-Decisional

SECTION

PAGE

1.0

1.1

1.2

2.0

2.1

2.1.1

2.1.2

2.1.3

2.2

2.2.1

2.2.2

2.2.3

2.2.4

2.2.5

2.2.6

2.2.7

2.2.8

2.3

2.3.1

2.3.2

2.3.3

2.3.4

2.3.5

3.0

3.1

3.1.1

Use export-related wording from your approved submittal in EXPRT system. Pre-Decisional

3.1.2

3.2

3.2.1

3.3

3.3.1

4.0

4.1

4.1.1

4.1.2

4.2

4.2.1

4.3

4.3.1

5.0

5.1

5.1.1

5.1.2

5.1.3

5.2

5.2.1

5.2.2

5.2.3

6.0

6.1

6.1.1

6.1.2

6.2

6.2.1

Use export-related wording from your approved submittal in EXPRT system. Pre-Decisional

6.2.2

7.0

7.1

7.1.