About

"Early Life

Augustus Autumn's father was a high-ranking Enclave scientist. When, after the destruction of the Enclave Oil Rig he received orders from the new President, John Henry Eden, telling him and all surviving Enclave troops to relocate to the Raven Rock military base on the opposite end of the country, he obeyed the order. Augustus' father gathered his troops and their equipment, and led his men through the post-nuclear United States. Upon the Enclave's arrival in the Capital Wasteland, he was the only one privy to the fact that John Henry Eden is actually a ZAX unit that has achieved self awareness. Prior to his death, he passed that knowledge on to his son, who would become the leader of the Enclave's military.



Enclave Commander

Autumn followed Eden's orders as a good soldier, although the Colonel indeed had his occasional disagreements. Autumn overtook Project Purity and seemingly died when James flooded the project's chamber with deadly radiation. However, he managed to survive by injecting himself with a mysterious agent — likely the Enclave's more powerful equivalent of Rad-X or Rad Away.

Colonel Autumn shows no regret over actions such as shooting unarmed captives, as long as it serves the Enclave's ends. He is a firm believer in the revival of the United States as a country, and will do almost whatever he has to in order to fulfill this.



Disagreements

The tension between President Eden and the colonel finally snapped Autumn's loyalty, as he disobeyed the President's orders and usurped command over the human contingent of the Enclave forces and relocated them to the Jefferson Memorial, to make their last stand.

As opposed to Eden's delusional visions, his main objective seems to be increasing Enclave's power, as he intends to use the purified water as a means to make the people "flock to the Enclave" rather than killing them. Also, he is not completely heartless, as he is able to be reasoned with during the final encounter, and will simply walk away."

http://fallout.wikia.com/wiki/Augustus_Autumn