摘要: The NASA Lewis Research Center (LeRC) is conducting a broad range of basicresearch and focused technology development activities in both aeronautical and space propulsion. By virtue of the successful conduct of these programs, LeR... 展开 The NASA Lewis Research Center (LeRC) is conducting a broad range of basicresearch and focused technology development activities in both aeronautical and space propulsion. By virtue of the successful conduct of these programs, LeRC is strongly qualified to lead Advanced Development and subsequent development programs on cryogenic space propulsion systems on support of the Space Exploration Initiative. A review is provided of technology status, including recent progress in the ongoing activities, and a top level description of the proposed program. 收起