The term commanding officer is identified in base64 scheme by the sequence Y29tbWFuZGluZyBvZmZpY2Vy, while the MD5 signature is equal to 564805f563ed0488d6b5a2e6f7c841ae. The ASCII encoding of commanding officer in hexadecimal notation is 636f6d6d616e64696e67206f666669636572.