What was the primary mission of the Alaska Territorial Guard?

The primary mission of the Alaska Territorial Guard was to protect the coastline and vital air routes during wartime. Established during World War II, the Alaska Territorial Guard was formed in response to the need for local defense units in the face of potential threats from enemy forces in the Arctic and Pacific regions. The Guard played a crucial role in securing Alaska’s strategic military locations, thereby contributing to the overall war effort and ensuring the safety of key transportation and supply routes. This focus on defense and protection was imperative, given Alaska's unique geographic position and the threats posed during the war.

While other activities like providing healthcare or engaging in search and rescue operations are vital functions within any community, they did not encapsulate the main objective of the Alaska Territorial Guard. Their primary emphasis was indeed on national defense, which is why the answer regarding the protection of the coastline and air routes is the most accurate representation of the Guard's original mission.