An F-35A Lightning II Joint Strike Fighter takes off on a training sortie at Eglin Air Force Base, Florida in this March 6, 2012 file photo. Canada is poised to buy 65 Lockheed Martin Corp F-35 Joint ... more 
An F-35A Lightning II Joint Strike Fighter takes off on a training sortie at Eglin Air Force Base, Florida in this March 6, 2012 file photo. Canada is poised to buy 65 Lockheed Martin Corp F-35 Joint Strike Fighter jets, sources familiar with the process told Reuters, marking a major renewal of Canada's fighter fleet and helping contain costs of the expensive defense program. REUTERS/U.S. Air Force photo/Randy Gon/Handout (UNITED STATES - Tags: MILITARY BUSINESS) ATTENTION EDITORS - THIS PICTURE WAS PROVIDED BY A THIRD PARTY. REUTERS IS UNABLE TO INDEPENDENTLY VERIFY THE AUTHENTICITY, CONTENT, LOCATION OR DATE OF THIS IMAGE. THIS PICTURE IS DISTRIBUTED EXACTLY AS RECEIVED BY REUTERS, AS A SERVICE TO CLIENTS. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS less 
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Reuters | Photo By US AIR FORCE / REUTERS
Thu, Jun 5, 2014 5:12 PM EDT