| 21. | Areas bombed by the US Air Force from 1964 to 1973.
|
| 22. | NetWars is in use by the US Air Force and the US Army.
|
| 23. | After graduating, he attended Purdue University on a US Air Force ROTC scholarship.
|
| 24. | His early career as a teacher was on a US air force base.
|
| 25. | And one, PCF-14, sank after an accidental attack by the US Air Force.
|
| 26. | Touty returns to France aboard a special aircraft of the US Air Force.
|
| 27. | The US Air Force launched a successful test of the technology last weekend.
|
| 28. | During the Vietnam War, CCK became a depot for the US Air Force.
|
| 29. | The official birthday of the US Air Force is 18 September 1947 ."
|
| 30. | The US Air Force subsequently inactivated the squadron on 25 June.
|
