A-ring

A small sector within the Citadel.Go to the citadel by fast traveling or walking there if you have not found the citadel yet. Access to go within the citadel is after Project Purity is over-run by the enclave and where sadfully your dad dies in the quest "The Waters of Life". Taking a right after going to the courtyard will you enter the A-Ring

The A ring contains Lyon's den, the Library and an entrance to B ring. There is alot of loot here that can be taken without any karma penalties. Most of it is food or junk.

There is a mini-quest here regarding Captain Gallows real name. It can be started by talking to Paladin Kodiak. With a successful speech check, you can find his name and get 1,00o caps as a reward.