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A drone...
https://www.twz.com/air/search-for-cargo-drone-that-can-lift-twice-as-much-as-a-ch-53k-king-stallion-kicks-off
Makes sense. I'm not saying it's easy... wait, yes I am. Shouldn't it be easy to make a really strong drone? I presume it would need to be gas-powered or whatever powers the chinook these days.
Take a helicopter that can do the job and add to it remote control and autopilot capabilities, and you have a drone that can do the job.