Complex sentence: The similar military Eurocopter AS532 Cougar and Eurocopter EC725 of Germany and Brazil were grounded around 7 June in response to the accident, and the South Korean Surion was grounded in July 2016.
Split into simpler sentences: The similar military Eurocopter AS532 Cougar and Eurocopter EC725 of Germany and Brazil were grounded around 7 June in response to the accident. The South Korean Surion was grounded in July 2016.