Prime

Orbital Launch Express (Orbex) plans to offer launches to low Earth orbit for payloads of up to 150 kg through Prime, its two-stage microlauncher, as part of a commercial service, with the first launch expected in 2022. 

ESA, as part of its Boost! programme to support new space transportation initiatives signed a contract with Orbex in March 2021 worth €7.45 million.