U.S. Air Force Airman 1st Class Christopher Montgomery, 97th Civil Engineer Squadron emergency management technician, explains the purpose and demonstrates the use of a radioactive detection device to children from Will Rogers Elementary School, Burns Flat, Okla., during a Science, Technology, Engineering, and Math fair at Club Altus, Feb. 5, 2015. Altus Air Force Base hosted the STEM fair for approximately 70 students to show how STEM subjects apply to various occupations throughout the base. (U.S. Air Force photo by Airman 1st Class Megan E. Acs/Released)
Airman 1st Class Megan Acs
Taken on 5 February 2015
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