Northrop Grumman Invests $50 Million in Firefly Aerospace to Advance Medium Launch Vehicle Named Eclipse™

Core Insights - Northrop Grumman Corporation has invested $50 million in Firefly Aerospace to enhance the production of their co-developed medium launch vehicle, Eclipse™ [2][3] - Eclipse is designed to deliver significant payload capacities, with capabilities of 16,300 kg to low Earth orbit and 3,200 kg to geosynchronous transfer orbit [5] Company Developments - Firefly Aerospace is advancing the development of Eclipse flight hardware, with qualification testing currently underway and over 60 hot fire tests of the Miranda engine completed [2][3] - The Eclipse launch vehicle incorporates proven avionics from Northrop Grumman's Antares program, along with enhancements such as a larger 5.4-meter payload fairing [3][5] - The partnership aims to fill a gap in the market for affordable and efficient launch services, targeting both civil and national security customers [5] Technical Specifications - Eclipse utilizes the patented tap-off cycle architecture from Firefly's Alpha rocket engines, with a successful 206-second hot fire test of the Miranda engine [4] - The vehicle is built on the foundation of Northrop Grumman's Antares and Firefly's Alpha rocket, enhancing power, performance, and production efficiency [3][5] Market Position - Eclipse is positioned to support a variety of missions, including space station resupply, commercial spacecraft launches, and critical national security missions, with its first launch planned for 2026 from Wallops Island, Virginia [5]