 In 2008, Kearns was commissioned to paint Tecumseh and Brock, the Shawnee Indian leader and British major-general who fought in the War of 1812.By 2011, Kearns was working on creating 24 war posters, specifically images of prominent Canadian soldiers.Despite the willingness of the Canadian military to accept her work, Kearns found that commercial galleries were unwilling to display her art for not being “subversive enough.”

In 2015, the Fort York Visitor Centre displayed Kearns military art exhibit "The Art of Command