Remains of second US soldier who went missing during military exercises in Morocco have been recovered

<p>Mariyah Symone Collington and Kendrick Lamont Key Jr, who also died, had fallen off a cliff during an off-duty hike</p><p>The remains of the second US army soldier who went missing during military exercises in <a href="https://www.theguardian.com/world/morocco">Morocco</a> hav