What they looked like.
the byzantine tipical soldiers looked like nites nether fully armerd with metal or chages. there weapons were up close baching weapons such as the sowerd, axe, knife. they would ware helmets that would have a point at the end.
What they used for transportation
how they got arownd was nether by foot or on the backs of mustang horses that were havled armed.
The role of the military.
the role they play is to protect the empire. and to be ready for war, or to take over other empires.
Famous battles.
The Battle of the Gates of Trajan, Battle of Manzikert.