U.S. spy satellite launch no earlier than 30 December – Satellite News Digest

The launch of a United Launch Alliance Delta IV Heavy carrying the NROL-71 mission for the U.S. National Reconnaissance Office was scrubbed on 20 December (UTC) due to indications of elevated hydrogen concentrations within the port booster engine section.

http://www.sat-nd.com/archive/?id=2018122000

Share This Article