<P> On December 15, 2011, FedEx announced an order for 27 Boeing 767 - 300Fs to replace its MD - 10 aircraft . The 767s will be delivered between 2014 and 2018, with three aircraft being delivered in 2014, and with six aircraft delivered each year between 2015 and 2018 . The airline also delayed deliveries of eleven Boeing 777 freighters currently on order, but converted two options to firm orders . </P> <P> On July 2, 2012, FedEx announced an order for an additional 15 Boeing 767 - 300 freighters to replace its MD - 10 and A310 - 200 aircraft . As part of this announcement, it converted four of its Boeing 777 freighter order to 767 - 300Fs, for a total of 19 new 767s . The first Boeing 767 - 300F was delivered to the airline on September 4, 2013 . </P> <P> With one of the world's largest aircraft fleets, FedEx Express is the largest contributor to the United States Civil Reserve Air Fleet in terms of aircraft pledged . </P> <P> The first Dassault Falcon 20C delivered to FedEx (operated with the registration N8FE) is on display at the Steven F. Udvar - Hazy Center of the National Air and Space Museum at the Smithsonian Institution . </P>

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