The “REFORPAC” drill involves more than 350 combat and support aircraft, over 12,000 personnel from several countries, and 50-plus locations across 3,000 miles.

The humanitarian situation in El Fasher, one of the regional capitals of Darfur, is dire, with the paramilitary Rapid Support Forces laying siege to the city for the past 15 months.

The tide turned against the RSF in March after losing much of Khartoum to the army, with its push for global recognition ...