Iran's state news agency reports that an Iranian pilot was killed and his co-pilot injured after their military plane crashed in south of the country.
IRNA said Sunday a military delegation has gone to the site of the crash to investigate the reasons behind it.
According to the report, the crash happened during a training mission but there were no details on the type of craft involved.
The country has a history of frequent air accidents, blamed on its aging aircraft and poor maintenance
In 2005, several commanders of the elite revolutionary Guards were killed in a crash. In 2003, 302 members of the Guard died in another air accident.