Eske Brun and his mother, Rigmor Hansen[5][3] (including two sisters and three brothers[4]) moved to Ordrup north of Copenhagen.

[3] When World War II began and the connection to Copenhagen (the capital of the Kingdom of Denmark, which Greenland was a part of) was severed on account of the German occupation, (Operation Weserübung) his colleague Aksel Svane, via the law concerning the government of Greenland of 1925, took control of the island,[7][8] becoming de facto "Independent.

[11][12] From 1941 until the end of the war, Aksel Svane was situated in the U.S. to organize the supplies[13] and Eske Brun became governor of South Greenland as well.

Ivittut, having held the world's largest reserve of naturally occurring Cryolite,[15] a mineral that was used in the manufacturing of fighter planes and aluminum,[16][17] there was a genuine fear was that; “one well-directed shot from the deck gun of a German submarine or a clever act of sabotage by one of the workmen could have seriously damaged the cryolite mine, might have perhaps put it out of operation and thereby disrupted the Canadian aluminum industry, on which Allied aircraft production was heavily dependent.

[20] Supplies were provided by the United States and included surveying operations to scout the Greenlandic coastline, the patrols' effectiveness was decreased significantly with the poor weather of the area.

Greenlandic self-sufficiency was among another reason, that being to report any suspected or actual presence of the landings of hostile German military forces.

[7] Brun made an appeal to Greenland's guides and hunters to join an elite unit tasked with patrolling the most remote areas of the colony.

[24][22] Additionally, the patrol's establishment and continued service had a significant and positive impact on Allied morale [relevant to the location.