Greenland & Arctic Strategic Defense / Greenland: America's Northern Neighbor and High Ground - Lose it and America Fights Blind Former U.S. intelligence officer D.W. Wilber argues that Greenland is the irreplaceable Arctic high ground for America’s defense, warning that losing control of it would blind U.S. early warning and invite Russian and Chinese strategic advances. By D.W. Wilber - Former Intelligence Officer / 31 Jan 2026