翠星のガルガンティア ("Suisei no Gargantia", or "Gargantia on the Verdurous Planet")
A 2013 science fiction anime produced by Production I.G. centered around Ledo, a space pilot who after a major battle with an alien foe is stranded on an ocean planet.
The following tags are aliased to this tag: gargantia_on_the_verdurous_planet (learn more).