Chinese submersible Jiaolong dives to 6,699 meters in Mariana Trench

ON BOARD SHIP XIANGYANGHONG — China’s manned submersible Jiaolong descended to 6,699 meters in the Mariana Trench on Tuesday, recording images of two swimming snailfishes. Tuesday’s mission was Jiaolong’s fourth dive in the trench this year. The dive began at 7:03 a.m. local time and reached the planned depth at 10:21 a.m. where scientists worked for…