Read manga: Kidou Senshi Gundam Senki: Lost War Chronicles

manga
Summary:

From Tokyopop:The One Year War between the Earth Federation and the Principality of Zeon has begun--and the newest Mobile Suits are tested for battle!Captain Matt Healy leads his team into dangerous territory as the leader of a Special Forces Experimental Unit. Ken Bederstadt is a Foreign Legion Lieutenant working in alliance with Zeon. These two heroes are trying to keep everyone alive...for tomorrow!There are 2 editions of this manga, the 2003 edition (same as Tokyopop version) and 2005 "complete" edition with 2 additional chapters - a prequel and a conclusion to the storyline