Add Yahoo as a preferred source to see more of our stories on Google. A KC-46A Pegasus connects with an F-15 Strike Eagle for an aerial refueling test over California in 2018. Three of the Air Force’s ...

WASHINGTON - Ten U.S. Air Force officers are being investigated for alleged illegal drug possession, the Air Force said on Friday, a day after the probe surfaced as Defense Secretary Chuck Hagel was ...

Delicate features, uneven surfaces, and extreme density make it difficult to manage probe force and ensure reliability.

Dedication; Foreword; Preface; Acknowledgments; About the Authors; Introduction; Section 1-Describing Motion and Position; Probe 1-How Far Did It Go?; Probe 2-Skate Park; Probe 3-Following Jack: Part ...