So formerly, five thousand years ago, the same system, military—ordinary soldiers, then the captain, then the commander, the commander-in-chief—as there are gradations in the modern age, the same thing was there. But mahā-ratha, they had good qualification. Mahā-ratha means alone he could fight with many other charioteers. They are called ati-ratha, mahā-ratha. There are different grades of fighters.
So, so far Pāṇḍavas are concerned, their son. Saubhadra... Saubhadra means Abhimanyu, Subhadrā's son. Because he was Subhadrā's son, his name was Saubhadra. Draupadī's sons, they are called Draupadeya. In Sanskrit, just like bhaginī, sister, bhaginī, her son is called bhāgineya, nephews. So there is link. As soon as we speak Saubhadra, that means Subhadrā's son. Subhadrā's son, he was only sixteen years old at that time.