The term chief petty officer is identified in base64 scheme by the sequence Y2hpZWYgcGV0dHkgb2ZmaWNlcg==, while the MD5 signature is equal to a518b83eceb5d9691bf1f51d684a8970. The ASCII encoding of chief petty officer in hexadecimal notation is 6368696566207065747479206f666669636572.