These images describe a dynamic surface of the planet Mars. They catch Martian geology in action.

They way these polar pits are retreating is absolutely astounding.

These images reveal a dynamic surface that is of the type we might experience while hiking on the Earth. The difference is, this is not the Earth. This is Mars.

This is a separate, unrelated matter. The letter is quite vague, but the responsible action is to conduct an investigation.

We need to take action, simple as that.

decisive, yet disciplined, cost reduction action that balances the need to be fiscally prudent with the need to continually seek growth opportunities and generate long-term profitability in a highly competitive marketplace.