Mass Effect characters with N7 armor and vehicle HD Wallpaper

Three characters in futuristic armor stand in a rocky, mountainous landscape with a vehicle behind them. The character on the left is grey-skinned with a helmet, the central character wears black and red armor with an N7 logo, and the character on the right wears white and red armor. A digital display in the upper right corner shows "CAUTION LEVEL -2-".