english: It also has three big problems: cost, particularly in highly regulated countries, is high; the issue of safety, really feeling good about nothing could go wrong, that, even though you have these human operators, the fuel doesn't get used for weapons.
non_english: To takođe ima tri velika problema. Troškovi, posebno u visoko razvijenim zemljama su jako visoki. Pitanje bezbednosti, stvarno dobar osećaj da ništa ne može krenuti loše, problematično je zbog postojanja mogućnosti upotrebe toga za oružje.