U.S. Air Force Airman 1st Class Andrew Dutton, (left to right), Senior Airman Detroy Brooks and Senior Airman Michael Saulsberry, 509th Aircraft Maintenance Squadron crew chiefs, communicate pre-flight instructions with a B-2 Spirit pilot at Whiteman Air Force Base, Mo., Feb. 2, 2016, during Red Flag (RF) 16-1. The work completed by crew chiefs provides mission-capable aircraft for B-2 pilots so they can provide strike capability, serving a vital role in the overall RF mission. (U.S. Air Force photo by Tech. Sgt. Miguel Lara III)