This paper extends a presentation at the panel discussion “Will the Changing U.S. Energy Mix Transform Multimodal Freight Systems?” made at the 2015 annual Washington Meeting of the Transportation Research Board.
Caption
Cover: Edited version of US Air Force, US Navy, and US Marine Corps aircraft along with US Army Patriot missile batteries line up on the runway for an elephant walk during a routine operational readiness exercise at Kadena Air Base in Japan on May 6, 2025. (US Air Force)