As the conflict been strategically spread into multiple areas of operations, to draw enemy into spreading its forces, Rheinland Militär oberkommando secure just the corridor needed and force its way trough to ocupy and defend area around Saigon for planned in planet military operations.
Meanwhile, Kusari which been planning a thrust to Sigma 13 to try hit fuel production there need redirect strike force to counter Rheinland attack.
Bayern patrols alert RM force directed to Saigon of Kusarians closing its position, and Rheinland attack is retracted to defend the Main fleet.