Liddle, J. Douglas http://orcid.org/0000-0003-1257-7707
Holt, Antony P.
Jason, Susan J.
O’Donnell, Kathryn A.
Stevens, Edward J.
Article History
Received: 20 August 2020
Accepted: 25 September 2020
First Online: 6 November 2020
Competing interests
: The authors declare the following competing interests: they are employed by In-Space Missions Limited to develop new space missions and provide consultancy and procurement support to the space industry.