This estimate probably included only legionary and auxiliary troops of the Roman army. Centurions received a much higher rate of pay than the average legionary. They were also allocated to static bases with permanent "castra legionaria" (legionary fortresses). "Equites" became exclusively an officer-class, with the first class of commoners providing the legionary cavalry. Farnace conspires with Marzio, Roman legionary officer, against Mitridate. After the war, Marius set out to professionalize and standardize the Roman legionary. Around 97 AD, Legio XIII Gemina was responsible for construction of the legionary camps. He was in a full army outfit including the legionary hobnailed boots ("caligae"). Border skirmishes with the Soviet Union spanned across the duration of the National Legionary State. Marius would escape to his friendly legionary colonies in Africa. Analysis of sewage from latrines indicates the legionary diet was mainly grain. An "optio"'s armour would be more like those of the common legionary. Several antisemitic decrees were enacted by the National Legionary State. No legionary eagles are known to have survived. This then makes the enemy vulnerable to missile fire and legionary attack.