China’s effort to expand its maritime reach into the Arctic is facing new obstacles as the United States, Denmark, and Greenland strengthen security arrangements that restrict non-NATO military activity and give Washington a greater role in screening foreign investment in sensitive sectors.
A new agreement signed by President Donald Trump, Danish Prime Minister Mette Frederiksen, and Greenlandic Prime Minister Jens-Frederik Nielsen on Sept. 22 allows the United States to expand its activities at Pituffik Space Base and establish additional defense areas at Narsarsuaq and Mestersvig. It also bars non-NATO countries from establishing military installations or maintaining a persistent military presence in Greenland unless the parties agree otherwise. …