1 00:00:00,000 --> 00:00:02,961 [pulsing music] 2 00:00:04,921 --> 00:00:06,924 The most important instrument you've never heard of 3 00:00:10,135 --> 00:00:13,138 flies 512 miles over your head 4 00:00:16,307 --> 00:00:20,770 and uses microwave energy to see through clouds 5 00:00:20,770 --> 00:00:23,773 impacting our lives every day. 6 00:00:26,526 --> 00:00:29,962 Advanced Technology Microwave Sounder 7 00:00:30,533 --> 00:00:33,533 [music fades]