- Feb 2010 : high altitude ground tests
- March 22, 2010 : First flight on a Rafale at Istres Airbase
- End of 2010 : Flight readiness certificate (after 70 test flights)
- 2011 : Endurance tests
- End of 2011 : delivery of the first production-standard M88-4E
"The aim of this program is to extend the engine’s service life and time between inspections for several key parts. Upgrades are planned to the high-pressure compressor and high-pressure turbine"
So, nothing new but the fact that everything seems to run as planed