How do you change uniform color in call of duty ghosts?

Answer 1

Whenever your playing in a game, depending on what the map is the uniform will automatically change color. For example, if you're playing on whiteout, your uniform will automatically switch to white. Then if you play on octane afterwards, it will auto change to tan

Answer 2

To change your uniform, you must have an operation (challenges in other CoD games). You can also pay for them.