Take context from the input text and decide on the accurate relationship between 'Aerojet Rocketdyne Holdings' and 'Aerojet' from the options provided.
Options: stock exchange, legal form, member of, subsidiary

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