Why launch from Alaska? I thought launching closer to the equator takes advantage of a boost effect from the Earth’s rotation.
http://www.qrg.northwestern.edu/projects/vss/docs/navigation/2-why-launch-from-equator.html
This is why:
The rocket was intended to fly on an azimuth of 195 degrees, or slightly west of due south.
Polar orbits are best launched from extreme latitudes.
Polar orbit