de Selding, Peter B.«Intelsat Signs Up for MDA’s Satellite Refueling Service».,18-03-2011[Consulta: 20 març 2011].«the operator of the world's largest fleet of commercial satellites — Intelsat has 52 in orbit. ... For this first demonstration mission, ... one of our satellites that is at the end of its life and about to be decommissioned ... will be taken out of geostationary orbit without consequence to our business, with the refueling done 200 to 300 kilometers above the geostationary belt.»Arxivat 2012-03-21 at Archive.is«Còpia arxivada». Arxivat de l'original el 2012-03-21.[Consulta: 29 juliol 2012].
de Selding, Peter B.«Intelsat Signs Up for MDA’s Satellite Refueling Service».,18-03-2011[Consulta: 20 març 2011].«the operator of the world's largest fleet of commercial satellites — Intelsat has 52 in orbit. ... For this first demonstration mission, ... one of our satellites that is at the end of its life and about to be decommissioned ... will be taken out of geostationary orbit without consequence to our business, with the refueling done 200 to 300 kilometers above the geostationary belt.»Arxivat 2012-03-21 at Archive.is«Còpia arxivada». Arxivat de l'original el 2012-03-21.[Consulta: 29 juliol 2012].
