Rip tides can be deadly for swimmers, if they aren't rescued quickly.
A drone can provide that fast response.
In Lennox Head, Australia a drone called the Little Ripper Lifesaver was flown over the water where the swimmers were struggling in a rip tide. The drone dropped a pod that inflated automatically and helped the swimmers stay afloat until the waves could bring them to shore.
More news on the Little Ripper Lifesaver.