After his work with the Friend's Ambulance Unit had ended, he returned to his position in the Meteorological Office. However in 1920 the Meteorological Office became part of the Air Ministry which would have meant that Richardson would have become part of the military.
Pagkatapos ng kanyang trabaho sa Friend's Ambulance Unit ay natapos na, siya ay ibabalik sa kanyang posisyon sa meteorolohiko Office. Subalit sa 1920 ang meteorolohiko Office ay naging bahagi ng Air Ministry na kung saan ay sinadya na Richardson ay maging bahagi ng militar.