What is the relationship between 'Aerojet Rocketdyne Holdings' and 'Aerojet' in the context of the input sentence.
Options: member of, subsidiary, stock exchange, legal form

CAPE CANAVERAL, Fla. Sept 24 (Reuters) - Aerojet Rocketdyne Holdings Inc will pay Orbital ATK $50 million to settle a dispute stemming from an Antares rocket launch accident last year that destroyed a load of cargo bound for the International Space Station, Aerojet said on Thursday.
subsidiary