This facility is used to train Senate Guards armed in blue unlike the Red Royal Guards. They train with large blaster rifles

They are an elite security force assembled to protect members of the Galactic Senate, the Senate Guard are garbed in outdated yet symbolic blue robes and helmets. The stoic guards stand watch over the massive Senate rotunda on Coruscant, and its members can be found aboard almost all senatorial transports.

When you graduate, you could be chosen to become a Royal Guard. They train with Force Pikes instead of Blaster Rifles.

The successors to the Republic's Red Guard, the Emperor's Royal Guard os an elite guard unit tasked with the protection of Emperor Palpatine. Unswervingly loyal, the Emperor is never seen without a detachment of Royal Guards at his side. The exact number of Royal Guards serving the Emperor is unknown, with speculations ranging from less than 50 to the tens of thousands.