Complex sentence: On 2nd April 2015, he experienced zero gravity flight by ILYUSHIN 76 MDK (Ilyushin Il-76) from Yuri Gagarin Space Center, Moscow.
Split into simpler sentences: On 2nd April 2015, he experienced zero gravity flight. The flight ILYUSHIN 76 MDK (Ilyushin Il-76) took off from Yuri Gagarin Space Center, Moscow.