According to NATO, the United States also provides intelligence, surveillance, and reconnaissance services; Air refueling; Ballistic missile defense. and airborne electromagnetic equipment.
After Trump's speech on Saturday, NATO Secretary General Jens Stoltenberg said that the alliance remains ready and able to defend itself.
“Any suggestion that allies will not stand up for each other undermines our entire security, including that of the United States, and puts American and European soldiers at increased risk,” he wrote in a statement. He added: “I expect that regardless of who wins the presidential election, the United States will remain a strong and committed ally in NATO.”
Emily Ruhala contributed to this report.