Gundam: In those years, the fields I planted in the universe

The story of a retired East Asian veteran and his wife working hard to farm on the space colonization satellite.what? The earth and the universe are going to war? Let me farm.Want to develop the latest body? What's the matter with me, I have a Gundam for farming.Aliens come to fight? Good thing, I have extraterrestrial land to plant again.No matter how many wars you have, who among the three major countries on the earth doesn’t know that the fields I grow are pure and pollution-free?