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While the scientific crew carried out experiments, Scott, Shackleton, and Edward Wilson trekked over the continent's unexplored interior to within 500 statute miles of the South Pole.

The new criteria was outlined in the agency’s statement: “Any individual who is on an F.A.A.-licensed or permitted launch and reaches 50 statute miles above the surface of the Earth.”

Flying at night requires additional training and anti-collision lights “that can be seen for 3 statute miles and have a flash rate sufficient to avoid a collision.”

The space station was 262 statute miles above the border of northern China and Mongolia when the docking occurred.

The FAA would require drones have “an anti-collision light illuminated and visible for at least 3 statute miles.”