On Friday, NATO Secretary General Mark Rutte delivered a clear message: the alliance is about to get a lot more expensive—and that's by design. Speaking ahead of a NATO meeting in Helsingborg, Sweden, Rutte said member countries are preparing to pour "hundreds of billions" of additional dollars into defense as Europe confronts long-term security threats, particularly from Russia.

"The money is really coming in," Rutte told reporters, adding that allies are "committing more and more" toward defense investments. Last year, NATO members agreed to raise the alliance's defense spending target from 2% of gross domestic product to 5% by 2035. But Rutte said several countries are already accelerating those timelines. "This literally means over the years hundreds of billions [of dollars] of extra defense spending," he said.

Sweden, NATO's newest member, has already unveiled a roughly $4 billion defense package and is expected to hit the 5% target by 2030, according to Rutte.

The timing of Rutte's remarks is no coincidence. Just a day earlier, President Donald Trump announced on Truth Social that the U.S. would send an additional 5,000 troops to Poland, a key NATO member bordering Ukraine. "Based on the successful Election" of Polish President Karol Nawrocki, Trump said he was "pleased to announce" the troop deployment. The move reverses a Pentagon decision made just a week earlier to cancel plans for 4,000 troops in Poland.

Poland currently spends an estimated 4.48% of its GDP on defense, making it NATO's highest spender relative to the size of its economy. The U.S., meanwhile, spent an estimated $845 billion on defense last year—more than the rest of the alliance combined.

Rutte said Europe's increased spending would gradually reduce NATO's reliance on Washington while keeping the U.S. central to the alliance. "The trajectory we are on is a stronger Europe and a stronger NATO," he said, adding that European allies are stepping up "to deter and defend against adversaries, including our long-term threat, which is Russia."

For investors, the message is clear: defense spending is about to get a massive boost, and companies in the sector could see significant tailwinds. Keep an eye on NATO's evolving spending targets and the geopolitical dynamics driving them.