The 6^th international conference on reliability and safety engineering titled “6^th International Reliability and Safety Engineering Conference-IRSEC2020” was organized on Feb. 17-19, 2021, by Mechanical Engineering Department of Shiraz University in Shiraz.

The 5^th international conference on reliability and safety engineering titled “5^th International Reliability and Safety Engineering Conference-IRSEC2018” was organized on May 09-11, 2018, by Mechanical Engineering Department of Shiraz University in Shiraz.

The 4^th international conference on reliability and safety engineering titled “4^th International Reliability Engineering Conference-IREC2016” was organized on April 26-28, 2016, by Mechanical Engineering Department of Sahand University of Technology (SUT) in Tabriz.

The 3^nd international conference on reliability and safety engineering titled “3^nd International Conference on Reliability Engineering-ICRE2014” was held on February 4-5, 2014, by Amir Kabir University of Technology (AUT), School of Mechanical Engineering - New Technologies Research School in Tehran.

The 2^nd international conference on reliability and safety engineering titled “2^nd Reliability Engineering Conference-REC2011” was held on October 24-26, 2011, at the Aerospace Research Institute (ARI) in Tehran.

The 1^st international conference on reliability and safety engineering titled “The 1^st International Conference on Reliability Engineering of Aerospace Systems-ICRE2009” was held on October 26-27, 2009, at the Aerospace Research Institute (ARI) in Tehran.