We hear that the Air Force plans to change its vocabulary when describing forces that are few in number yet heavily used. Such assets have been termed LD/HD, for low density/high demand. The new term would be LS/HD—limited supply/high demand.
Celebrating 100 Years of Liquid-Fueled Rockets
March 11, 2026
March 16, 2026, marks 100 years since Dr. Robert H. Goddard launched the world’s first liquid-fueled rocket. Over the past century, new and ever more capable liquid-fueled rockets have literally propelled humanity into space. Why liquid-fueled rockets?