May - US Department of Transportation publishes the first National Plan for Navigation . December - Apollo 17 flies last trip to moon. October 6 - Egyptian and Syrian forces attack Israel. October 10 - Vice President Spiro Agnew resigns, pleads no contest to tax evasion charges. October 25 - U.S. places military forces on alert, fearing that the Soviet Union might intervene in the middle east.
System includes the best elements of all existing radionavigation technologies.
May 18 - India explodes first atomic bomb, becoming sixth nuclear nation. June - Rockwell International selected as first satellite contractor. August 9 - President Nixon resigns, Gerald Ford sworn in as president. Air Force will be program manager. May 14 - President Ford orders the rescue of the USS Mayaguez from Cambodian waters.