TM 10-8415-209-10 TM 8415-10/2 d. Aircrew Uniform Battlefield (AUIB).  This coat (1) and trousers (2) combines chemical protection with the flame retardancy of the flyer's coverall into a single duty uniform It has integrated pass-throughs (3) to accommodate hoses for a microclimate cooling vest which is not yet available for general use.  AUIB is issued in tan and woodland camouflage.. 1-7