Joseph M Sienko JR served his country in World War II with the 99th Bombardment Group .
Information on Joseph Sienko is gathered and extracted from military records. We have many documents and copies of documents, including military award documents. It is from these documents that we have found this information on 2LT Sienko. These serviceman's records are not complete and should not be construed as a complete record. We are always looking for more documented material on this and other servicemen. If you can help add to Joseph Sienko's military record please contact us.
The information on this page about Joseph Sienko has been obtained through a possible variety of sources incluging the serviceman themselves, family, copies of military records that are in possession of the Army Air Corps Library and Museum along with data obtained from other researchers and sources including AF Archives at Air Force Historical Research Agency and the U.S. National Archives.
This information is by no means complete, we are adding information based upon documentation in our possession.
If you have more information concerning the service of Joseph Sienko, including pictures, documents and other artifacts that we can add to this record, please Contact Us.