| Acronym | Meaning |
![](file.png) | BOD | Beneficial Occupancy Date |
![](file.png) | ROS | Removable Overhead Structure |
![](file.png) | HAC | Heading Alignment Cone |
![](file.png) | RATCC | Radar Air Traffic Control Center |
![](file.png) | CTTB | Checkout Techniques Test Bed |
![](file.png) | QPR | Quarterly Progress Report |
![](file.png) | R&R | Remove And Replace |
![](file.png) | PTIS | Program Test Input System |
![](file.png) | FLLK | Frustum Lifting Lug Kit |
![](file.png) | REV | Reverse |