Surrendered Boko Haram fighters file on to a Nigerian military aircraft to be taken to a rehabilitation centre in Gombe, north-east Nigeria, in 2017. EPA
Nigeria's Defence Space Administration. The country's military is stepping up efforts to track insurgents from space, seeking a bigger budget for satellites. Photo: Nigeria DSA
Before using satellites, Nigeria relied on Chinese Wing Loong drones for much of its aerial surveillance. Reuters
An aerial view of an area destroyed in the conflict with Boko Haram extremists in the Bama region of Borno state. The military has faced challenges keeping tabs on the insurgents. Reuters
Satellite images by DigitalGlobe space imagery vendor show dense housing in Doro Baga, north-east Nigeria, before a Boko Haram attack. The red areas indicate healthy vegetation. EPA
A satellite image from Airbus Defence and Space satellites shows evidence of large-scale destruction following 2015 attacks by Boko Haram around Doro Gowon, Borno state. AFP
Surrendered Boko Haram fighters file on to a Nigerian military aircraft to be taken to a rehabilitation centre in Gombe, north-east Nigeria, in 2017. EPA
Nigeria's Defence Space Administration. The country's military is stepping up efforts to track insurgents from space, seeking a bigger budget for satellites. Photo: Nigeria DSA
Before using satellites, Nigeria relied on Chinese Wing Loong drones for much of its aerial surveillance. Reuters
An aerial view of an area destroyed in the conflict with Boko Haram extremists in the Bama region of Borno state. The military has faced challenges keeping tabs on the insurgents. Reuters
Satellite images by DigitalGlobe space imagery vendor show dense housing in Doro Baga, north-east Nigeria, before a Boko Haram attack. The red areas indicate healthy vegetation. EPA
A satellite image from Airbus Defence and Space satellites shows evidence of large-scale destruction following 2015 attacks by Boko Haram around Doro Gowon, Borno state. AFP
Surrendered Boko Haram fighters file on to a Nigerian military aircraft to be taken to a rehabilitation centre in Gombe, north-east Nigeria, in 2017. EPA