A Army robot being controlled by a student picks up items on the USA Science & Engineering Festival floor in Washington, April 6, 2018. The free event continues until Sunday, April 8 until 4 The free event continues until Sunday, April 8 until 4 (DoD photo by EJ Hersom)

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Size: 4236px × 2824px
Photo credit: © AB Forces News Collection / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: dc, engineering, expo, science, sciencey, stem, usa, washington