FedEx Express (FX, Memphis International) has placed an order for four additional B767-300F aircraft this week that will replace MD-10 freighters in the fleet of the logistics provider. FedEx now has a total of 50 B767-300ER freighters on order from Boeing (BOE, Washington National). It has however also announced that it will postpone the delivery of two B777F aircraft from 2015 to 2016 as part of the deal.