Akira has returned alive after defeating Beta, but soon Tokyo is targeted by a large-scale hacking attack. He dives into the network along with Ygg's clones to figure out the cause, and fights the enemies within, but in the meantime the hacking spreads to the entire world.

It takes over military bases and fires a volley of ICBMs, seeking to destroy the entire world. In order to save humanity, Akira makes a decision born of love.
and detonate them above the stratosphere... 
at an altitude of over 100 km.
...ثمّ أفجّرها فوق طبقة الغلاف الجويّ العليا
على ارتفاع يفوق 100 كيلومتر
und sie oberhalb der Stratosphäre
Los haré explotar en la estratósfera,
Los haré explotar en la estratosfera,
Et je vais les faire exploser
Intendo farli esplodere nella stratosfera,
e detoná-los acima da estratosfera...
a uma altitude de 100 km.
Они взорвутся над стратосферой,
на высоте примерно сто километров.