Our Hero is Captain Reyes who was promoted because like you all know what happens to the Captain, when one dies another high ranking officer needs to take over. When this happened, he has no choice but to become the captain of the Naval Ship Retribution, as if they didn’t know what moniker to give the ship. Anyway the games takes us round the Solar System to battle against Mars (who are humans with a different mindset) calling themselves SDF. In everything they say, they use the word “Mars aeternum” literally meaning Mars for Eternity in some sort of phase they always use in the game.
In all, Infinity Ward did an amazing job in the game, the surprising thing is that, the tech they used is so believable and I think probably the DOD (Department of Defense) are designing these sort of tech nowadays and probably will use it in the nearest future.