On April 6, airstrikes and ground artillery bombardments killed Abu-Rabi, Muhammed Likita and their bodyguards.
They were eliminated at Kusuma, Sigir in Ngala and Arijallamari in Abadam Local Government Areas of Borno State.
On April 10, three other commanders, Ameer Umar, Abu Ubaida and Abu Salim were killed by forces.
They were ambushed around Wulgo, Logomania axis, near Nigeria’s border with Cameroon while attempting to attack locals and rustle cows.
The military conducted other operations in Tudun Wulgo, Zari, Tumbun Alhaji, Kusuma, Sigir in Ngala and Arijallamari, in Abadam, Marte and Ngala Local Government Areas.
Those killed include Mohammad Fulloja, Ameer Mallam Bello, Ba’a kaka Tunkushe, Abu Muktar Al-Ansari, Ameer Abba Kaka, Abu Huzaifa, Ameer Modu Kwayem.
An intelligence source said Goni Mustapha, the Chief Imam of ISWAP, escaped with bullet wounds.
The sustained offensive has forced the insurgents to attack communities and locations occupied by humanitarian agencies in search of food.
The United Nations (UN) said three international aid partners’ facilities were targeted and set on fire in Damasak.
UN Resident Coordinator in Nigeria, Edward Kallon, said support to 8,800 internally displaced people and 76,000 locals in the host community have been affected.