ARM- Balloon (IMAGE) DOE/Argonne National Laboratory Caption Technician Kris Bennefield prepares to launch a weather balloon with a radiosonde attached at the main site of ARM’s Bankhead National Forest atmospheric observatory to prepare for the official start of data collection. Credit (Image by Argonne National Laboratory.) Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.