Complex sentence: The Embraer KC-390 is a medium-size, twin-engine jet-powered military transport aircraft under development by Brazilian aerospace manufacturer Embraer, able to perform aerial refuelling and to transport cargo and troops.
Split into simpler sentences: The Embraer KC-390 is a medium-size, twin-engine jet-powered military transport aircraft under development by Brazilian aerospace manufacturer Embraer. It is able to perform aerial refueling and to transport cargo and troops.