RTX

RTX Corporation is the product of a 2020 mega-merger between Raytheon Company and United Technologies Corporation's aerospace businesses, creating a defense and aerospace conglomerate that straddles two of the most structurally advantaged sectors in the global economy: military weapons systems and commercial aviation aftermarket services. The company operates through three segments, Collins Aerospace, Pratt & Whitney, and Raytheon, each of which occupies a different strategic niche but shares a common structural characteristic. They all benefit from installed base economics that convert upfront platform wins into decades of recurring revenue. This is not a company that sells products. This is a company that sells futures, locking customers into multi-decade maintenance, upgrade, and sustainment cycles from which switching is economically irrational and sometimes physically impossible.

The central analytical question for RTX in early 2026 is not whether the company has a moat. It does. The question is whether the post-merger integration costs, the Pratt & Whitney geared turbofan (GTF) engine inspection and remediation crisis, and the geopolitical tailwinds of elevated global defense spending are net positive or net negative when considered together. Each of these forces pulls the company in a different direction: the GTF issue drains capital and management attention, the defense order book provides revenue visibility that few industrials can match, and the merger's long-promised synergies are beginning to materialize in margin expansion but have not yet been fully priced into a structural re-rating.

Here is the observation that standard financial data providers miss: RTX's true competitive position is not best understood through segment-level revenue or backlog figures, but through the concept of platform captivity. Across its three segments, RTX has embedded itself into programs where it is the sole qualified supplier of components, subsystems, or engines for platforms with 30 to 40-year operational lifespans. The F-35's Pratt & Whitney F135 engine, the Patriot missile defense system, the GTF engine family powering approximately 60% of new narrowbody deliveries from Airbus: these are not contracts, they are structural facts of the global aerospace and defense architecture. Competitors do not compete with RTX on these programs. They compete for the next program, and RTX's incumbency on current ones generates the R&D funding and customer intimacy that makes winning the next one more likely. The moat feeds itself.