The Mars Oxygen ISRU Experiment (MOXIE) is a 1\% scale prototype model aboard the planned Mars 2020 rover that will produce oxygen from Martian atmospheric carbon dioxide (CO2) in a process called solid oxide electrolysis.The Mars Oxygen ISRU Experiment (MOXIE) PDF. Presentation: MARS 2020 Mission and Instruments". 6 November 2014. 
The Mars Oxygen ISRU Experiment (MOXIE) is a 1\% scale prototype model aboard the Mars 2020 rover Perseverance that produces oxygen from Martian atmospheric carbon dioxide (CO2) in a process called solid oxide electrolysis.The Mars Oxygen ISRU Experiment (MOXIE) PDF. Presentation: MARS 2020 Mission and Instruments". 6 November 2014. The experiment produced its first 5.37 grams of oxygen on 20 April 2021.
D
planned
R
that will produce
Perseverance that produces
A
The experiment produced its first 5.37 grams of oxygen on 20 April 2021.