Been noticing a lot more interest in the defense sector lately, and honestly, the fundamentals backing this rally are pretty solid. We're looking at a geopolitical environment where defense budgets are hitting record levels, and that's translating directly into strong earnings for aerospace companies.

Let me break down what's happening. Global defense spending just crossed $2.72 trillion in 2024—up nearly 10% year-over-year, the biggest jump since the Cold War. That's not just noise. The U.S. alone spent $997 billion, which represents over a third of all global military spending. But here's what caught my attention: it's not just America. China, Russia, Germany, and India are all ramping up too, and these five countries account for 60% of the world's defense budget.

What makes this interesting from an investment angle is that defense sector ETFs are starting to reflect this reality. While most S&P 500 sectors have seen earnings estimates get pressured by tariff concerns, aerospace actually bucked the trend. Q1 saw aerospace earnings jump 23% with an 85% beat ratio. That's the kind of momentum you don't see every day.

Europe is another big catalyst. EU defense spending is expected to climb by roughly €80 billion by 2027—moving from 1.8% of GDP to 2.4%. Germany's military budget jumped 28% to $88.5 billion, making it the world's fourth-largest spender. Poland up 31%, Sweden up 34% in its first year as a NATO member. Trump's also been pushing NATO to hit 5% of GDP on defense, which would be a massive shift. All 32 NATO members increased budgets last year, with 18 hitting or exceeding the 2% target.

So if you're thinking about how to position for this trend, the aerospace & defense ETF space has some solid options. The sector itself ranks #1 in Zacks' sector rankings, with the aerospace-defense industry in the top 20%.

For broad U.S. exposure, there's ITA (iShares U.S. Aerospace & Defense ETF) at 40 bps, tracking the Dow Jones U.S. Select index. PPA (Invesco Aerospace & Defense ETF) runs 57 bps and covers about 50 U.S. companies in defense, military, and space operations. XAR (SPDR S&P Aerospace & Defense ETF) is lean at 35 bps and tracks the S&P sub-industry index.

If you want to get more creative with defense sector ETFs, there's SHLD (Global X Defense Tech ETF) at 50 bps—this one tilts toward defense tech and has nice exposure to U.S., UK, and German companies. NATO (Themes Transatlantic Defense ETF) is interesting if you're bullish on NATO members' spending surge, also 35 bps. EUAD tracks European aerospace & defense companies specifically. Then there's WAR (U.S. Global Technology and Aerospace & Defense ETF) at 60 bps if you want broader exposure beyond just traditional defense—includes semiconductors, cybersecurity, data centers.

The thesis here is straightforward: geopolitical tensions aren't going away, government spending commitments are locked in, and national security is now a top priority for most developed nations. Defense sector ETFs are essentially a way to capture that structural spending wave without picking individual stocks. Given the earnings strength we're seeing and the policy tailwinds, this could be worth a closer look if you're building out a defensive or thematic portfolio.