Why is Al-Shabaab Surging Despite Numerous U.S. Airstrikes in Somalia?

The Al-Qaeda branch in Somalia, Harakat Shabaab Mujahideen movement (HSM), is sustaining terrorism campaigns against the Federal government of Somalia and that of her immediate neighbor Kenya. With estimated 5,000 to 7,000 fighters in Somalia, the terror group activities continue to surge despite numerous U.S. airstrikes in Somalia. According to U.S. Command in Africa (AFRICOM),...