More than 60 local, county and state law enforcement agencies in places where the games will be held completed a first-of-its-kind federal training program to help detect and deter drones.

Federal and local officials have been scrambling to protect stadiums and fans ahead of the soccer tournament.

The 2026 World Cup will be a $365 million test of the United States’ systems to protect crowded stadiums from drones as they upend modern warfare and increasingly become a threat…