Wayne Smith on Instagram: "After our gathering last Saturday, we were the last plane out. Just like a boat, a plane leaves a wake. If you've watched a boat's wake, you have seen that it is deep in the middle and spreads in a vee behind the boat (ignoring the peak in the middle from the rebounding water). The wake behind planes results from the wing pushing the air down in the middle, and air rolling into the wake from each side of the vee. We usually can't see the wake, but we can predict where