July 3, 2017
#1858: 4th of July explain

[One single panel is shown. The header reads:]
4th of July activities
2014 - Watching fireworks
2015 - Watching fireworks from drones
2016 - Flying drones through fireworks
2017 - Intercepting fireworks with drones
2018 - Competitions to hit drones with fireworks
2019 - Teams compete to shoot down each other’s firework-armed drones
2020 - Sentient firework-armed drones overthrow humans
2021 - Drones celebrate independence day