sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Australian Student Traineeship Foundation | *** |
| Alaska Science and Technology Foundation | *** |
| Arab Science Technology Foundation | *** |
| Anti Spam Task Force | *** |
| Alaska Science Technology Foundation | *** |
| Aging Systems Task Force | ** |
| Aviation Security Training Framework | ** |
| Apparent Source Time Functions | ** |
| Aeropropulsion System Test Facility | * |
| Animal Science Teaching Facility | * |
| Asset Swap Task Force | * |
| Annual Survey Topsides Facilities (offshore term) | * |