This book sheds light on the process in which the substate actor of Greenland has expanded its autonomy and strengthened its de jure participation in the national security of Denmark. By focusing on the case of the US Thule Air Base in Greenland the largest military base in the Arctic the authors endeavor to show that in the relationship between great powers small countries and local actors within them it is possible for local actors subnational entities to have an influence on higherlevel ac