OCCAR News 01. April 2021 MULTINATIONAL MRTT FLEET (MMF): Fourth Aircraft delivered by OCCAR-EA OCCAR-EA has formally accepted the fourth MMF (Multinational MRTT Fleet) aircraft of a total of nine Airbus A330 MRTT aircraft (Multi Role Tanker Transport) ordered by OCCAR-EA on behalf of NATO. 07. April 2011 A400M Substantive Contract Amendment Signed On 7 April 2011 the Contract Amendment for the A400M Programme was signed, at the Final Assembly Line in Seville, between Airbus Military and OCCAR-EA... 01. April 2011 HRH the Prince of Wales visits the A400M in Seville HRH the Prince of Wales visited today the Airbus Military A400M at the company’s facilities in Seville (Spain).