[and from another] http://money.cnn.com/2015/06/28/technology/spacex-rocket/index.html SpaceX -- which is headed by Musk -- has made seven trips to the ISS under a contract the company has with NASA.
[y de otro] http://money.cnn.com/2015/06/28/technology/spacex-rocket/index.html SpaceX -- encabezado por Musk – ha realizado varios viajes a la Estación Espacial Internacional, bajo un contrato que la compañía mantiene con NASA.