Deputy Defense Secretary Pat Shanahan said Nov. 15 the Pentagon estimates the cost to establish a new and separate Space Force could be less than $5 billion, despite earlier predictions from the Air Force that it could cost $13 billion over five years. "It is a single digit, not a double digit," he told reporters at the Pentagon. "It might be lower than five." Shanahan did not specify whether that cost estimate accounts only for start-up funding or if it...