PL Flock 1 (IMAGE) NASA/Johnson Space Center Caption Two of the 28 Planet Labs Dove satellites that make up the Flock 1 constellation are seen launching into orbit from the International Space Station on Feb. 11. Credit Image Credit: NASA Usage Restrictions Image Credit: NASA License Licensed 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.