The US plans to reopen a former Cold War-era military base in southern Greenland and set up a military presence at an east coast base now used by the Danish dog sled patrol under an agreement to be signed by the US, Denmark and Greenland on Tuesday, according to three people familiar with the matter. Denmark, Greenland and U.S. Key points and original sources are listed below.

• The US plans to reopen a former Cold War-era military base in southern Greenland and set up a military presence at an east coast base now used by the Danish dog sled patrol under an agreement to be signed by the US, Denmark and Greenland on Tuesday, according...S1

• Denmark, Greenland and U.S. expected to sign new agreement in New York on TuesdayS2