What will you miss about the BDU, and how do they compare to the ABUs? Published Oct. 17, 2011 By Senior Airman Joe Yanik 512th Airlift Wing Public Affairs DOVER AIR FORCE BASE, Del. -- For most Liberty Wing members, the October unit training assembly was the last opportunity to wear the battle dress uniform before it is phased out Nov. 1. Many reservists paid tribute to the BDU by donning the woodland patterned uniform one last time. Some shared their thoughts.