Group 1 - Renewed great-power competition and ongoing conflicts have significantly increased defense budgets and investor interest, benefiting aerospace and defense contractors [1] - Large U.S. defense companies have outperformed the broader market due to long-term defense programs funded through multi-year appropriations and a focus on domestic supply chains [2] - Earnings reports indicate expanded backlogs and upgraded guidance for 2025, driven by strong demand for missiles and space technologies, highlighting a mix of steady cash flows and project execution risks [3] Group 2 - Major stocks in the aerospace-defense industry, such as RTX Corporation, General Dynamics Corporation, and Northrop Grumman Corporation, have seen significant year-to-date gains of 54%, 32.3%, and 23.6% respectively [4] - Strong demand for missile systems, air-defense platforms, and space technologies has bolstered RTX's backlog, while GD benefits from robust shipbuilding orders and steady military vehicle demand [5] - The sector's winners have demonstrated reliable execution and improved supply-chain stability, which are crucial for sustaining gains into 2026 [6][7]