GD vs. RTX: A Value-Focused Case Hinges on Recent Momentum and Defense Demand

General Dynamics and RTX are increasingly lumped together by investors as two of the better-known aerospace and defense plays. On July 7, a Yahoo Finance market piece posed the question of which stock a “value” investor should buy now, but the post did not lay out a detailed, side-by-side valuation framework in the material available for review. Instead, it directed readers to consider broader stock performance, the outlook for aerospace-defense spending, and whether recent gains are supported by fundamentals.

In the last year, RTX’s shares have outpaced both its sector and two major peers cited in market commentary. A TradingView news item summarizing Zacks analysis said RTX was up 36.6% over the past year, compared with 6.6% growth for the Aerospace-Defense industry it used as a benchmark, and it also cited RTX outperformance versus the broader aerospace group and the S&P 500 over the same period. The same write-up said General Dynamics (GD) gained 26.7% and Lockheed Martin gained 16.4% in that period, underscoring that the two companies have not moved in lockstep even within the same defense complex.

That stock-price relative strength is one reason “value” investors may be looking harder at RTX, the TradingView/Zacks write-up suggested, but it also raised a familiar caution: recent rallies can be temporary if operating fundamentals do not keep pace. It framed the decision as less about the headline price and more about whether backlog growth, program execution, and technology milestones can sustain earnings power through cycles.

The RTX momentum case in the market commentary also leaned on specific program and business indicates. It pointed to a Pratt & Whitney milestone in June 2026, stating that an F119 engine reached more than 1 million flight hours, with the engine powering Lockheed Martin’s F-22 Raptor. The commentary used that milestone as a proxy for long-term reliability, which matters because the F119 family sits in a high-visibility segment of the defense aerospace ecosystem where follow-on parts, sustainment, and engineering remain important even after a platform is fielded.

The same article also mentioned RTX’s space business progress, saying RTX was developing a large-aperture telescope for the Lazuli Space Observatory as part of the Eric and Wendy Schmidt Observatory System. According to the TradingView/Zacks text, the telescope is described as a 3.1-meter unobscured aperture instrument expected to deliver sharper imagery and faster data collection, reflecting how RTX attempts to balance defense-linked cash flow with longer-duration space and services programs.

On the military side, the TradingView piece added that Raytheon, RTX’s defense business, secured a U.S. Navy contract valued at $1.1 billion to produce AIM-9X Block II missiles, positioning the company for near-term defense output tied to air combat modernization. While the excerpt available for review did not break down the contract’s duration, delivery schedule, or margin profile, it did treat the award as another indicator of demand under U.S. defense procurement plans.

Still, key details that typically matter most for a value comparison were not visible in the accessible material. The Yahoo Finance post’s valuation angle was not accompanied here by specific multiples, discounted cash flow assumptions, or a clear statement of whether one company’s perceived “cheapness” was supported by weaker expected earnings or instead by market overreaction. As a result, readers reviewing this as a value thesis should expect the underlying “why” to depend heavily on metrics that were not captured in the content available for editorial review.

Looking ahead, the factors to watch for both General Dynamics and RTX are likely to remain the same regardless of how the question is framed: new contract wins and backlog conversion in ground, air, and naval programs; sustained performance in aerospace power and sustainment; and whether technology-driven milestones translate into measurable financial momentum. For RTX specifically, investors will likely focus on the durability of its outperformance and whether the balance between defense procurement, sustainment, and space-related work continues to show up in results rather than only in stock sentiment.