Norway will be first among international partner nations to participate in a multiyear F-35 fighter jet purchase, and will request an additional 12 “block buys” of the war plane in 2019 and 2020.

In its budget proposal for 2017, Norway’s Defense Department told the country’s parliament of its plan to order 12 additional fifth-generation stealth fighters. “They continue to stay strong in the program and it shows the confidence they have in the F-35,” said Ken Ross, a spokesman for Lockheed….