Ken’s Sol 1617 Update: Re-attempt the drive

21 February 2017 – The drive planned for Sol 1616 halted early, apparently because the right rear wheel got stuck between two rocks. The mobility team concluded that it is safe to continue, so the drive planned for Sol 1617 is essentially the same as the previously-planned drive. Before the drive, ChemCam and Right Mastcam will observe a sand target named “New Sweden” and Right Mastcam will acquire mosaics of a layered bedrock outcrop dubbed “Hobbstown” and of the dunes that are the target of the drive. Mastcam will also measure dust in the atmosphere before the drive begins. After the drive and more testing of the drill, along with post-drive imaging to support planning on Wednesday, ChemCam will use AEGIS to select a target for chemical analysis.

Ken Herkenhoff is a ChemCam RMI specialist. An archive of Ken’s past updates can be read at

Dates of planned rover activities described in these reports are subject to change due to a variety of factors related to the Martian environment, communication relays and rover status.

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