Mission-Essential Resources
Defending Mission-Essential Resources
Mission-essential information resources are defined by AFI 34-270, paragraph 4.3, as publications and services that directly bear on the functions, initiatives, and operations of Air Force agencies and that personnel must have on hand to carry out the installation mission effectively.





This is an unofficial Department of Defense Web site. Only active duty military, military retirees, reservists, National Guardsmen, Department of Defense civilian employees, Non-Appropriated Fund employees and respective family members and guests of all the above are eligible users of 21st Force Support activities unless otherwise noted.