How do you manage along-track smear? At those altitudes you're pushing close to 8km/s. Traditionally you'd either need to keep the satellite rotating through the collect or somehow keep the integration time in the single digit microseconds.

TDI (time delay integration)

A little more detail that we didn't get into in the post. The 3-CMG control mode we first uploaded was v1. We had plans to improve the agility with later versions. In v1, we didn't have quite enough rate to match earth's, even with max TDI. We called it Banana Scanning. Kind of like slipping over the earth.

Net - the CMG imagery we captured had a few pixels of along-track smear in it. Which would have been removed in post-processing if we had made it through focus cal.