I was amazed to read how long those planes have been flying. Thank God no tragedies have occurred.USAF grounds KC-135 Stratotanker fleet over concerns their tails may fall off mid-flight
The U.S. Air Force has recently grounded its entire fleet of KC-135 tankers to fix a non-conforming part that, if not addressed, could cause the tail to fall off mid-flight.www.foxnews.com