 Complete the following phrase:  From 2006, EC 24 has also been tasked with training pilots and weapons systems operators on the Mirage 2000N. On 1 September 2011, it replaced a hrefList20of20French20Air20and20Space20Force20aircraft20squadronsEscadron dInstruction en Vol 34 Limousina at Istres-Le Tubé Air Base. In 2015, three Mirage 2000Ns of the squadron participated in 