NASA has formed a public-private partnership with Relativity Space to advance Mars science, with NASA providing the scientific instruments and Relativity Space supplying the spacecraft and launch services. The partnership aims to combine NASA's scientific expertise with commercial innovation to further Mars research. NASA will deliver its Aeolus atmospheric-science instrument payload suite to Mars using Relativity Space's spacecraft and rocket.

Source: https://www.nasa.gov/news-release/nasa-announces-public-private-partnership-to-advance-mars-science/