Here is a link to a story published on the website of a nearby television station-KTVZ Bend, OR.
It shows a still picture of the American flag placed over the welcome sign to the wildlife refuge where the building is being occupied.
http://www.ktvz.com/news/harney-county-ranchers-arson-case-sparks-antigovt-sentiment/37227522
According to the article you posted, the Hammonds don’t want anything to do with the takeover of the refuge center. They plan on going in next week to go to prison.