MOGADISHU, Somalia—Drones had been hovering over Togga-Xarago—a mountainous settlement in northeastern Somalia all day. The Reer Yusuf Mohamud Salah family was used to the noise; it was a regular occurrence in the Al-Miskaad mountains, where the Puntland security forces are waging an on-going war against ISIS militants, supported by the UAE and now the U.S.