Mobile Suit Gundam Origin Vol 3: Ramba Ral

The White Base is on the run after a successful attack against the Zeon forces in Los Angeles. As they refuel en route to their Federation base in Jaburo, hidden in the heart of the Amazonian jungle, the crew learns they may be holding on to a new weapon just as valuable as their new Mobile Suit.

On the Zeon side, their leadership has been shaken to its core. A grand ceremony is produced in honor of a fallen Zabi youth. Shocked by this death, there are many within the Zeon ranks left frustrated with intent on seeking vengeance.