A black graphic with green text titled "Whack-a-Drone" with options for Testbed, Level 1, Level 2, Level 3. Several graphics of military equipment in the background. - Defense Civilian Training Corp summer interns David Appelt and Rithwik Erabelly designed and developed a digital wargame to strengthen Marine small unit defense against unmanned aircraft systems. The image shown is a graphic of the starting page of the wargame, titled “Whack-A-Drone.” (Courtesy photo.)