Here is the full list of all 16 Operation Osama Bin Laden achievements.
Open the credits page in game
Complete Mission 1 with full health
Complete Mission 1
Complete Mission 2
Complete Mission 3
Complete Final Mission
Complete Mission 2 with full health
Complete Mission 3 with full health
Complete the Final Mission with full health
Kill every terrorist in Mission 1
Kill every terrorist in Mission 2
Kill every terrorist in Mission 3
Kill every terrorist in the Final Mission
Complete Mission 2 without using Guns and Meds
Complete Mission 3 without using Guns and Meds
Complete the Final Mission without using Guns and Meds