… the suite of design changes. We still anticipate certification for both the 737-7 and 737-10 in 2026. On 777-9 in the quarter, we received approval for TI-83 and continue to perform certification flight testing. TI-83 is a major phase of testing focused on avionics, environmental control systems, and the auxiliary power unit. And as I've said before, overall, the aircraft and engine continue to perform well. We have identified a potential durability issue during a recent inspection on the 777X engine, and we're working with GE to better understand that issue and finalize root cause and corrective actions. Importantly, as we work through this issue, we continue our certification flight testing, and we don't expect this to impact our delivery in 2027. Demand for the airplane remains strong, and we remain confident that the 777X will be the next flagship airplane for our global customers. Moving now to KC-46 Tanker. As we came through our quarterly process, we revised cost estimates for elements including the production support and supply chain, which Jay will cover in more detail. While it's disappointing to recognize another impact on this program, we are seeing encouraging …