Chapter 06: The Point of No Return is the sixth chapter in Valkyria Chronicles 4. The combat mission in this is called Withdrawal From Lindbergh.
Rita and Vancey join at the beginning of this chapter.
I need you all to stay calm and listen
"We're under siege and must abandon the base. Our allies are already retreating, but it won't be long before the enemy catches up. Squad E, I need you to bring up the rear and secure an escape route for our allies. First, you'll have to recapture all the camps in the base. From there, you've got to fend off the enemy until we're finished withdrawing. Reports also indicate that enemy reinforcements are on the way. If we lose even one of our camps, there's no stopping the Imperials. I know it's going to be a brutal fight, but I need you to do this."
Location: Lindbergh Base
Description: Secure an escape route for your allies by capturing and occupying all enemy camps for 4 turns, without allowing the Empire to recapture any of their bases back from Federation control.
"This isn't where it ends. Not for you, and certainly not for me!"
Up to 5 reward weapons, one for each condition met: A or B rank, all leaders defeated, all tanks defeated, no allies downed, no allies killed/forced retreat
After the Battle of Lindbergh Base, Operation Northern Cross was badly blunted, forcing the Federation Army to retreat. The only known exception was the 32nd Armored Ranger Corps, its veterans in Platoons D, E and F ordered to retreat 150 km west across the Achtzehn Mountains to the Crystal Sea so they could be repurposed as marines for the top-secret Operation Cygnus.
While Squad E retreated west, they ran across the body of an old man that had befriended Squad E in Einhemt and sold them black-market tank parts. According to the sign, imperial soldiers executed him because "[he had] betrayed [his] country for scraps"; this served as an example to any locals what would happen if they helped any Federation soldiers.