Back in the ancient times before the science budget went to maintain war the Itherians were a technologically advanced species. The used the Orbital adjuster to synchronize the orbits of the 4 planet in their system so that they would all have similar climates and be safe from crashing into each other.
After the 10 year war with The Seshat Coalition early in the Empires conquest days, Miishua Artron invented the Focus Conduit to move their armies quickly and efficiently without detection across the galaxy.
The MK-10 battle droid was used as a last resort soldier whenever Itherian lines were breached by enemy troops. They are incredibly resilient and can run on minimal energy stores.