Mariyah Symone Collington and Kendrick Lamont Key Jr, who also died, had fallen off a cliff during an off-duty hike The remains of the second US army soldier who went missing during military exercises in Morocco have been recovered, the army said on Wednesday, ending a multinational search operation that deployed air, naval and artificial intelligence assets. The soldier was identified as Spc Mariyah Symone Collington of Taveres, Florida, the US Army Europe and Africa said in a statement. She was 19 years old.