Pentagon: U.S. needs up to 18 more Russian rocket engines
April 08, 2016 at 20:16 PM EDT
WASHINGTON, April 8 (Reuters) - The Pentagon will need to buy up to 18 more Russian-built RD-180 engines to power rockets carrying U.S. military satellites into space over the next six years or so, Deputy Defense Secretary Robert Work said in an interview on Friday.
