Complex sentence: The AV-8B Harrier II is a subsonic attack aircraft that retains the basic layout of the Hawker Siddeley Harrier, with horizontal stabilizers and shoulder-mounted wings featuring prominent anhedral (downward slope).
Split into simpler sentences: The AV-8B Harrier II is a subsonic attack aircraft. It retains the basic layout of the Hawker Siddeley Harrier, with horizontal stabilizers and shoulder-mounted wings featuring prominent anhedral (downward slope).