Activities to celebrate the dedication of Luke Jensen Sports Park run from 8:45 a.m. to 3 p.m. Saturday at the park, 4000 N.E. 78th St.Parking is limited, so attendees are asked to carpool and park at King’s Way Christian Schools, 3300 N.E. 78th St., if needed.Luke Jensen was a student at King’s Way. He died from leukemia at age 9 in 2010.At 8:45 a.m., there will be a flag ceremony in memory of U.S. Army Cpl. Jeremiah Johnson. Johnson, who died in 2006 from injuries suffered in Iraq, played T-ball for Salmon Creek Little League, a primary user of the park.Britnee Kellogg, a contestant on “American Idol” and vocalist with 5 Guys Named Moe, will sing the national anthem. Salmon Creek Little League will play championship games at 9 a.m., followed by closing ceremonies. At 12:30 p.m., the Clark County commissioners will officially dedicate the park. Members of the Jensen family will attend.At 1:30 p.m., there will be a celebrity kickball benefit for the Dream Big Community Center. Team captains are Vancouver Mayor Tim Leavitt and Clark County Commissioner Steve Stuart. From 2 to 3 p.m., members of the Portland Timbers U-23 development team will meet with youth.Funding for the $9.1 million facility came from property taxes collected by the Greater Clark Parks District and real estate excise taxes. Most of the construction has been completed, with the exception of drainage for two grass fields.