Dumitru Dediu (12 May 1942 in Galaţi – July 2013) was a pilot in the Romanian Air Force and cosmonaut candidate that was assigned as the backup for Dumitru Prunariu.

[1] In 1978, Dediu was selected as the backup for Dumitru Prunariu for the Soyuz 40 mission.

[2][3] He served in the Romanian Army and lived in Bucharest.

[4] He died in early July 2013 after a serious illness (Alzheimer's and Parkinson's).

You can help Wikipedia by expanding it.This biographical article related to the military of Romania is a stub.