MSNBC All In With Chris Hayes September 21, 2019 00:27:00
Them like crazy. >> reporter: today's mission retrieve then redeploy a mooring that's been sitting on the ocean floor for the past year. taking daily readings of temperature, salinity and depth. >> we've been observing that those deeper waters are warming and we're trying to find out why. they come in here and they go up that all over greenland and they light them on fire. >> reporter: once we raise it from the deep data is removed and batteries checked. warm-water was detected, but the actual rise in temperature will take up to a year to analyze. meanwhile it's time to re-submerge. >> the war...
Source: archive.org