41.   The series of flight tests will be conducted beginning in November at Holloman Air Force Base in New Mexico.

42.   The third stage of the missile was not successful in the flight test.

43.   The temporary two-stage booster used in flight tests is slow and relatively gentle.

44.   There, flight tests began almost immediately.

45.   This summer, NASA and AeroVironment engineers will run a battery of flight tests on the plane at a Navy site in Hawaii.

46.   Today, the airlines have flight simulator tests that they require their pilots to go through regularly.

47.   Wilbur and Orville Wright had just concluded a second season of flight tests on the secluded North Carolina beach.

48.   Wilbur and Orville Wright had just concluded a second season of flight tests.

49.   A booster rocket designed for use in an eventual U.S. missile defense system was successful Friday in its first flight test, the Defense Department announced.

50.   A prime objective of the October flight test was to see if the kill vehicle would distinguish between the balloon and the target.