User blog comment:Callofduty4/Achievements and next Spec Ops missions revealed via PC patch/@comment-90.206.161.136-20120420195348

Iron Clad:You play in a tank- the gunner for the hole mission due to it sez finish with your tank with full health probably set in the mission Scorched Earth due to tanks seen alot in that mission Kill Switch:task force 141 operator to defuse a EMP bomb as the acheivement sez EMPpressive... and this mission well I can't think for shit what mission it is.

I do doubt they will add a tf141 uniform probably stay as delta :(