Umbaran airbase

The Umbaran airbase was an airbase located on the planet Umbara. During the Clone Wars between the Galactic Republic and the Confederacy of Independent Systems, the Umbaran Militia, an ally of the Separatists, used the airbase as a supply line to the planet's capital city. During the Battle of Umbara in 20 BBY, a battalion of the Republic's 501st Legion was sent to capture the airbase shortly after the battalion, usually commanded by the Jedi Knight Anakin Skywalker, was placed under the temporary leadership of Jedi General Pong Krell. After a disastrous assault on the airbase involving a reckless plan from Krell that sent one of the clone divisions into a devastating encounter with Umbaran tanks and mobile heavy cannons, Clone Captain Rex authorized the clone troopers Fives and Hardcase to go on a stealth mission to steal Umbaran starfighters from the airbase. The two clones successfully used the stolen fighters to destroy the enemy vehicles. The clones were then able to push into the airbase and take it over.

As the clones continued to conflict with Krell's seeming indifference to high casualties and unwillingness to alternative tactics, Rex was unable to convince Krell that another direct assault on the capital in the face of long-range missiles would be too dangerous. The clone troopers Fives, Hardcase, and Jesse decided to directly disobey Krell's orders and commandeer Umbaran starfighters from the airbase, using them to attack a Separatist supply ship that has supplying the capital. Although their plan succeeded, Krell had the survivors detained in the airbase's brig. As the Battle of Umbara neared its conclusion, Krell, secretly a traitor, tricked Rex's forces and clones from the 212th Attack Battalion into attacking each other, lying to both groups that the enemy was disguised in clone armor. When the clones discovered the truth, they returned to the airbase to arrest Krell, attacking him and eventually capturing him. Krell would be executed in the brig as Umbaran forces that had been pushed out of the Umbaran capital threatened the airbase. The battle soon ended in Republic victory.

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