Original U.S. Navy Vietnam War Era Type A3 Oxygen Breathing Apparatus Set in Transit Chest 21st Century as well as the Avro

as well as the Avro Tudor passenger aircraft

They do not have any real dents

a really nice example of what almost every Naval Officer carried at the time

and there are some small cracks in the crystal

After earning his flight wings

Original U.S. Navy Vietnam War Era Type A3 Oxygen Breathing Apparatus Set in Transit Chest 21st Century as well as the AvroOriginal Items: Only One Set Available. In 1953, the Type A 3 OBA began to replace the Type A 2 OBA. It was a closed circuit, self contained gadget. Oxygen generated by chemicals in a canister could be inhaled for around 60 minutes, the effective time limit of the oxygen supply, independent of the surrounding atmosphere. Head straps, a set of plastic eyepieces, a speaking diaphragm, and a rubber mouthpiece were all included with the Type A 3 OBA's