NASA is set to begin launch operations mid-May for the 2024 Sweden Long-Duration Scientific Balloon Campaign. Four stadium-sized, scientific balloons carrying science missions and technology demonstrations are scheduled to lift off from Swedish Space Corporation’s Esrange Space Center, situated north of the Arctic Circle near Kiruna, Sweden. The campaign will continue through early July. Technicians attach the SUNRISE payload to its balloon and parachute from the launch site in Kiruna, Sweden, during the 2009 campaign. The mission returns for the 2024 Sweden Long-Duration Scientific Balloon Ca…