![An image from a US reconnaissance drone over Mosul in 2016 shows what a journalist called the 'Mosul Orb'. Photo: US Department of Defence](https://thenational-the-national-prod.cdn.arcpublishing.com/resizer/v2/NTROW6XEQNG6NJGKYJ2ZSUMISY.jpg?smart=true&auth=2acc293b3defa31d69e00d218089e753aa3a0361c48e6a08e912cf0da803c874&width=400&height=225)
An image from a US reconnaissance drone over Mosul in 2016 shows what a journalist called the 'Mosul Orb'. Photo: US Department of Defence
An image from a US reconnaissance drone over Mosul in 2016 shows what a journalist called the 'Mosul Orb'. Photo: US Department of Defence
Was 'Mosul Orb' UFO just a stray US spy balloon?
Balloon versus UFO speculation has grown after spate of recent sightings around the world