Obtained Through Missions
Children’s Reward – Complete Mission 18 to get your hands on this item that is used to unlock and develop the Water Pistol.
First Aid Manual – This item is also obtained through Mission 18, but you will have to make sure to search the Masa Village during the mission. This item is required for the Tactical Fulton D-Dog tool.
Skull’s Machete – Players will obtain this item upon completing Mission 29 in Metal Gear Solid V: TPP. It us used to unlock the Task-Arm SM.
Handkerchief – The handkerchief is required to unlock Quiet’s Sniper Wolf Uniform and is obtained by completing Mission 40.
Quiet’s Examination Report – You can acquire this item in two ways. Either Complete Mission 40, or watch Quiet’s interrogation cutscene. Either way you obtain it, it will unlock the Gray XOF uniform for development.
Star of Bethlehem – Complete Mission 46 to earn this item that will unlock the Infinity Bandana for development.
Codename: Big Boss – This item is also obtained through completing Mission 46. It unlocks the Leather Jacket uniform for development back at Mother Base.
Emmerich’s Research Notes – This item is used to unlock the Stealth Camo for development. To obtain it, you will have to watch the cutscene where Huey Emmerich is exiled.