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Rocket Lab And 2 More Defense Stocks To Watch

Simply Wall St·09/19/2026 14:20:42
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Protection of underwater cables and pipelines has moved from niche concern to front-page issue as governments look harder at subsea security. That spotlight pulls investors toward companies that build hardware, software, and services for aircraft, satellites, and military systems. If you care about resilient cash flows tied to long-term defense contracts, this article walks through three stocks from the aerospace and defense supply chain that may warrant a closer look.

The three aerospace and defense stocks in this article are just a starting sample. The full screen surfaced 313 more companies with equally detailed stories that are not covered here.

If you want to go wider and identify which suppliers, contractors, and technology providers fit your own thesis on risk, contracts, and capital discipline, head straight into the Aerospace And Defense screener.

Rocket Lab (RKLB)

Rocket Lab is effectively a contractor to the space arms of aerospace and defense, building and flying small and medium-class rockets while also supplying satellite hardware and on-orbit services to commercial and government customers.

Rocket Lab generates around US$544 million from Space Systems and US$225 million from Launch Services, with a market value near US$40.6b.

"Neutron's successful operation should be that turning point; however, Neutron's failure would risk the entire company."

What happens to margins, contract wins, and long-term cash generation depends on how one unresolved execution risk plays out from here.

That turning point risk cuts both ways for Rocket Lab, and the full narrative for Rocket Lab unpacks how execution, contracts, and capital intensity could be quietly accelerating the long-term story.

NasdaqGS:RKLB 1-Year Stock Price Chart
NasdaqGS:RKLB 1-Year Stock Price Chart

Lockheed Martin (LMT)

Lockheed Martin is one of the clearest pure plays on the Aerospace And Defense screener theme, with its Aeronautics arm supplying combat aircraft like the F-35 while other units handle missiles, helicopters, radar, and space systems for government customers worldwide.

Lockheed Martin generated about US$31.2b from Aeronautics, US$19.8b from Rotary and Mission Systems, US$16.4b from Missiles and Fire Control, and US$13.8b from Space, with a market value near US$124.2b.

For investors focused on military air power, missile defense, and space, Lockheed Martin brings scale, program depth, and a long-running relationship with the U.S. Department of War and allied governments that shapes its entire business model.

"Demand for advanced platforms such as the F-35, PAC-3, THAAD, and hypersonic weapons is being reinforced by actual combat use and rising geopolitical tensions, with multiple U.S. and international customers increasing orders and strong backlog growth, positioning Lockheed Martin for top-line (revenue) growth."

What happens to margins and cash returns from here depends heavily on how one large, long-cycle production ramp is managed over the next few years.

How that production ramp is handled is exactly what the full narrative for Lockheed Martin unpacks, including where Lockheed Martin’s backlog, cash generation, and risk profile could be quietly decoupling from peers.

NYSE:LMT Earnings & Revenue Growth as at Sep 2026
NYSE:LMT Earnings & Revenue Growth as at Sep 2026

Kratos Defense & Security Solutions (KTOS)

Kratos Defense & Security Solutions builds unmanned jet-powered drones, hypersonic systems and defense electronics for U.S. and allied programs, generating about US$1.21b from Kratos Government Solutions and US$317 million from Unmanned Systems, with a market value near US$8.9b.

For an aerospace and defense investor, Kratos Defense & Security Solutions brings direct exposure to drones, hypersonics and space-ground systems that sit squarely in current modernization priorities, with the real interest in how quickly funded programs convert into higher margin, recurring work.

"Kratos may be positioned to participate in a period of elevated global defense spending and modernization initiatives by the U.S., NATO, and Pacific allies, with ongoing geopolitical tensions influencing defense budgets. The business model requires ongoing elevated R&D and capital expenditures to maintain activity in areas like hypersonics and unmanned systems, but successful commercialization is not guaranteed; as such, there is risk of diluted returns on invested capital and net margin compression if program ramps or sole-source positions do not scale."

What happens to Kratos’ earnings power and valuation from here depends on how one capital intensive production build out ultimately feeds through to margins and cash.

That production question is the hinge for Kratos Defense & Security Solutions, and the full narrative for Kratos Defense & Security Solutions shows where execution risks might actually be masking an accelerating opportunity.

NasdaqGS:KTOS Earnings & Revenue Growth as at Sep 2026
NasdaqGS:KTOS Earnings & Revenue Growth as at Sep 2026

Seeking Fresh Alternatives Before They Fly

Markets move fast. Breakout stories can gain momentum while you read this, and early entry points can be captured by traders ahead of the crowd. Scan fresh ideas that may still be under the radar and consider them early.

This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.