I would have thought P-8 and A400M are shoo-in for these roles.
http://asia.nikkei.com/Japan-Update/Jap ... e-aircraft
Japan in talks with New Zealand for defense aircraft
TOKYO -- Japan is in negotiations with New Zealand to export the Self-Defense Forces' patrol and transport aircraft, in hopes of beating out U.S. and European competition to score its first large-scale arms contract.
The deal will also involve the maintenance of the planes, and is potentially worth billions of dollars. Tokyo in September provided unclassified information on the P-1 maritime patrol plane and C-2 transporter, both developed by Kawasaki Heavy Industries, in response to Wellington's requests.
Representatives from Japan's defense ministry and Kawasaki Heavy are in New Zealand for negotiations. Japan could come up with a proposal in the first half of 2017 concerning the price, production process and maintenance of the planes. It will also consider jointly producing certain parts with New Zealand.....