Navigational Electronics Inc. demonstrator and subject-matter expert Ross Kenney controls a Microdrones MD4-1000 unmanned aircraft system and discusses its features with two members of the U.S. Army Engineering and Support Center Huntsville – William Noel, left, project manager, and Benton Williams, geophysicist – during a capabilities review for three unmanned aircraft systems Feb. 27 at the Rocket City Radio Controllers complex in southeast Huntsville, Alabama. Williams works in the Geosciences Branch of the Engineering Directorate, while Noel works in the Ordnance and Explosives Design Center.