Playercard/Modern Warfare 3 Titles

Any titles and emblems are unlocked through challenges, although a selection of titles are rank unlocks (titles 1-24). Players cannot unlock these for their callsign until the relevant challenges are completed in the barracks.

(level ##)=The level at which the challenge is unlocked

(lvl??)=The level the challenge is unlocked is still unconfirmed. Some challenges are unlocked at certain levels, check the Barracks under challenges to see if you are eligible to get the title. *Not all titles require a specific level.