Cavaliere57,
I have found it on Amazon, it is being released as "The Fighter Pilot" on 9th November, Japanese language with English subtitles
(Link below)
http://www.amazon.co.uk/Fighter-Pilot-DV...he+eternal+zeroIf anyone can find it as an English language film I may be tempted to have a look at it.
I watched it yesterday on PopcornTime,it's in Japanese and I used English subtitles,in fact...but it's worth it all the way,it's very moving a film about feelings, deep ones, seen form the side of a Japanese pilot,a different point of view it's a film against war in the end,starting these days when two Youngsters try to research the story of their Grandpa who was dead in WWII and they find that....well cannot tell the plot
I cried seeing it....