The Army has awarded Microsoft a contract that could be worth almost $22 billion for its futuristic goggles that give soldiers a new way to see the battlefield. Known as IVAS, the acronym for the Integrated Visual Augmentation System, the goggles project 3D terrain maps over what soldiers see directly in front of them and allows troops to see in the dark, through smoke and even around corners.On Wednesday, the Army announced that it had awarded a 10-year production contract to Microsoft for the IVAS system potentially worth $21.88 billion.