Glen Fountain at the Final Hibernation Wake Up, December 2014

Explanation: Glen Fountain, New Horizons project manager at APL: "Technically, this was routine, since the wake-up was a procedure that we'd done many times before, symbolically, however, this is a big deal. It means the start of our pre-encounter operations."

Pluto

Image credit: © michael soluri / michaelsoluri.com.