Launch of a Cygnus spacecraft may be delayed while engineers troubleshoot a cooling system pump failure on the International Space Station (ISS). The U.S.-led ISS mission management team (MMT) deferred a go/no-go decision on the planned Dec. 18 launch after a faulty flow-control valve forced a shutdown of non-critical systems tied to one of the station's two external cooling loops. The valve regulates the temperature of ammonia circulating through an external ISS radiator that juts from the ...


"First Commercial Cygnus" is Premium Content. Subscribing will provide full access to this article as well as the opportunity to access:
-- Critical intelligence on the global aviation, aerospace & defense industries
-- Consolidated, comprehensive coverage of the programs and technologies shaping the industry
-- And much more…

Already registered? here.