6 Defense and Industrial Stocks to Buy and Hold Through 2030

The article argues that combining defense exposure with cyclical aerospace businesses can diversify portfolios, highlighting six stocks with distinct growth drivers through 2030. GE Aerospace expects $1.6B–$1.7B of 2026 operating profit from defense and propulsion, versus $10.25B–$10.35B from commercial engines and services; Boeing has a $715B backlog, including $597B in commercial airplanes. Joby acquired defense technology company Resonant Sciences for $500M, while AAR’s planned majority-stake acquisition of MRO Holdings is presented as a growth opportunity despite a stock decline after the announcement.

Analysis

The portfolio case is less diversified than it appears: RTX and GE have defense cushions, but several names still depend on the same aircraft production system. Delivery bottlenecks at Boeing or Airbus can defer demand for Hexcel’s composites and constrain supplier growth even while OEM backlogs remain large; backlog is not near-term revenue or cash conversion. Conversely, engine and MRO aftermarket exposure can benefit when aircraft stay in service longer, partly offsetting weaker new-build activity. That favors quality of revenue over headline backlog.

The clearest relative-value distinction is execution and contract risk, not simply defense exposure. RTX’s mix may warrant a relative premium to Lockheed Martin if fixed-price program charges remain a sector concern, but that thesis is vulnerable to missile supply-chain constraints or deterioration in Pratt & Whitney’s engine economics. GE’s cited defense profit is small relative to commercial engines and services, so treating GE as a defense hedge overstates the cushion.

For Boeing, higher deliveries only matter to equity if quality, rework and cash conversion improve; rising output without those improvements could worsen working capital and erase operating leverage. AAR’s MRO expansion could capture demand from a constrained fleet, but the acquisition thesis depends on financing terms, integration and realized margins—not scale alone. Joby’s defense expansion may diversify customers, but it does not establish eVTOL certification or a path to self-funding; the acquisition’s cash and integration burden merits scrutiny.

Near term, watch delivery/quality updates and AAR deal reaction. Over 1–3 months, monitor guidance, cash conversion and integration disclosure. Over 6–18 months, aircraft build rates and aftermarket growth are the structural drivers. Falsifiers include renewed Boeing delivery setbacks, worsening RTX engine/service economics, or AAR disclosure of materially weaker deal economics.

Key Decisions for Investors

• Consider a measured relative-value position long RTX versus Lockheed Martin, rather than treating either as a pure defense hedge. Reassess if RTX’s supply constraints or engine-related costs worsen, or if Lockheed’s program charges stabilize faster than expected.
• Prefer aftermarket exposure over a broad aircraft-production bet while build-rate visibility remains uncertain; AAR and GE are candidates, but wait for AAR financing and integration details before buying the post-deal dip. Track cash conversion and acquired-business margins as the thesis tests.
• Keep Boeing and Hexcel as delivery-rate-sensitive exposures, not diversified defense holdings. Add only on evidence that Boeing converts higher deliveries into improved quality and cash flow; a renewed delivery interruption would also pressure Hexcel demand expectations.
• Treat Joby’s defense business as an option on adjacent revenue, not proof of eVTOL commercialization. Verify acquisition funding, integration milestones and certification progress before underwriting a larger position; Archer is a relevant peer to monitor, not an automatic hedge.