The Phoenix Empire Series Vol. 1-4. Phoenix Empire

This military SF/Galactic Empire series chronicles the rise of the Phoenix Empire out of the ashes of the defeated System States Alliance and spans hundreds of years. You'll see the full range of human endeavors from strategic decisions made at the highest levels that affect millions of people right down to the individual men and women who do the fighting and sometimes dying for and against the Phoenix Empire.
And in between are the military battles where admirals maneuver their fleets across a chessboard that spans thousands of light years. This is how empires sometimes rise.and fall.