The winter nights in Alaska are hard to endure, because if you're trapped in a small house for a long time, the night really feels too long.
Mountain Eagle doesn't have this worry, because he has many tasks that can't be handled by others, so he wants to install defensive measures in the area most core to him, requiring him to do many things personally.
Leaving the launch boxes for the Spring Knife and Spearhead Missile in the Huai'en Tribe is simple, but climbing to the mountaintop on the Valley Ranch side to set up small power plants, place batteries, mount small radars, then deploy the Spring Knife and Spearhead Missile, plus a set of four Stinger Missiles, took him most of the night.
