Part of a rainbow halo that extends all the way around the Sun in a full circle. The ice crystals in the air look like fairy dust. More snow formations. The wind always blows from approximately the same direction, so long fins of snow form on even the smallest bumps. MAPO, the telescope building.
Viper is inside the smaller shield behind it.
The barrel and funnel option at the telescope building. I was not acrobatic enough for this one. The plane we flew on from South Pole to McMurdo. It's a C-130 Hercules. View from the plane between Pole and McMurdo.