SWE-221 - Used first in NPR 7150.2D
| Rev | SWE Statement |
|---|---|
| A | |
| Difference between A and B | N/A |
| B | RESERVED |
| Difference between B and C | N/A |
| C | |
| Difference between C and D | First use of this SWE in D In previous versions this was a will statement |
| D | 2.1.2.5 The NASA Chief, SMA shall authorize appraisals against selected requirements in this NPR to check compliance. |
