Core Insights - RTX Corporation's Pratt & Whitney segment secured a $670.2 million modification contract for the F135 propulsion system, awarded by the Naval Air Systems Command [1][2] Group 1: Contract Details - The contract involves supplying initial spares for the F135 propulsion system to support the F-35 Joint Strike Fighter program, with completion expected by December 2028 [2] - Most of the work will be conducted in East Hartford, CT [2] Group 2: Market Dynamics - The demand for aerial defense and modernization of military aircraft is increasing, driving the need for combat-proven jets like the F-35 and consequently the F135 propulsion system [3] - The global Aircraft Engine Spare Parts market is projected to reach $434.1 million by 2032, growing at a compound annual growth rate of 5.5% from 2025 to 2032 [4] Group 3: Competitive Landscape - RTX's Pratt & Whitney is well-positioned to benefit from the growth in the aircraft engine spare parts market, offering a range of strategically selected line-maintenance OEM parts [5] - Other aerospace companies like GE Aerospace, Lockheed Martin, and Safran are also expected to benefit from this market growth, with GE's long-term earnings growth rate at 15.84% and Safran's at 20.73% [6][7][9] Group 4: Stock Performance - RTX shares have increased by 29.6% over the past year, outperforming the industry growth of 12.5% [10]