The Japanese word 'Kamikaze' means 'divine wind' or 'heavenly wind' and has it's origin in a haven-sent storm that scattered an invading fleet in 1250.
"darks shoals of invading fish flashing silver": image links to a samurai sword - conveys the conflict between his love for nature/life and his sense of duty, sibilance.
"they treated him as though he no longer existed" cruel irony - he chose to live, but now must live as he is dead.
"was no longer the father we loved": the pilot was forever affected by his decision.
