Military Police Helmet Base Have at least reached Career Milestone 15 Have "The Soldier We Needed You To Be"(Halo Reach) Achievement Military Police Helmet CBRN/HU/RS variant Have at least reached Career Milestone 20 Have "Pink and Deadly"(ODST) Achievement Have the Military Police Helmet Unlocked Military Police Helmet HU/RS/CNM Variant Have at least reached Career Milestone 25 Have "Fear the Pink Mist"(Halo 3) and "A Spoonful of Blamite"(Halo Reach) Achievements Have the Military Police Helmet CBRN/HU/RS unlocked CQB Helmet Base Have at least reached Career Milestone 20 Have "Folks Need Heroes..."(Halo Reach) Achievement CQB Helmet HU/RS/CNM variant Have at least reached Career Milestone 25 Have "Campaign Complete: Heroic"(ODST) Achievement Have the CQB Helmet Base Unlocked CQB Helmet UA/HUL Variant Have at least reached Career Milestone 30 Have "Campaign Complete: Legendary"(Halo 3) and "Gods Must Be Strong"(Halo Reach) Achievements Have the CQB Helmet HU/RS/CNM Variant unlocked Chest: UA/BASE SECURITY [W] Have at least reached Career Milestone 30 Have "Yes, Sensei"(Halo Reach) Achievement Hope this helped and keep the thread alive.