Accurately dropping a flotation device onto drowning swimmers for instance: https://www.reuters.com/article/us-australia-drone-rescue/drone-rescues-swimmers-in-

Accurately dropping a flotation device onto drowning swimmers for instance: https://www.reuters.com/article/us-australia-drone-rescue/drone-rescues-swimmers-in-australia-in-world-first-idUSKBN1F70ZR https://www.reuters.com/article/us-australia-drone-rescue/dr...