ESA to seek funding for more Prometheus reusable engines at ministerial
Germany begins reusability study to capture rockets in midair and land them with a plane
ArianeGroup supplier GKN to 3D print turbines for reusable Prometheus engines
France, Germany studying reusability with a subscale flyback booster
ESA kickstarts Prometheus reusable engine with first funding tranche
France’s Prometheus reusable engine becomes ESA project, gets funding boost