Although the supply of Russian-built RD-180 engines that power the first stage of the Atlas V do not appear to be in the same level of jeopardy as feared earlier this year—United Launch Alliance took delivery of two of those engines last week—the US Air Force is starting to lay the groundwork for development of [...]
from Space Politics http://ift.tt/1mNwXZH
via IFTTT
沒有留言:
張貼留言