Report of the Science Community Workshop on the proposed First Sample Depot for the Mars Sample Return Campaign

The Mars 2020/Mars Sample Return (MSR) Depot Science Community Workshop was held on September 28 and 30, 2022, to assess the Scientifically-Return Worthy (SRW) value of full collection samples acquired by rover Perseverance at Jezero Crater, a proposed subset be left as First location within Crater called Three Forks. primary outcome workshop that community is in consensus following statement: set ten sample tubes includes seven rock samples, one regolith sample, atmospheric witness tube constitutes SRW that: (1) represents diversity explored region around landing site, (2) covers partially or fully, balanced way, all International MSR Objectives Samples Team scientific objectives are applicable (3) analyses this Earth would fundamental importance, providing substantial improvement our understanding Mars. At conclusion meeting, there overall support for forming described placing it Forks site. also recognized Rover Cache (the remains after Depot) will significantly improve with planned obtained future target return Earth.