WEBVTT FILE 1 00:00:00.000 --> 00:00:03.000 [Upbeat Music] 2 00:00:03.000 --> 00:00:06.000 NASA’s Laser Communications Relay Demonstration 3 00:00:06.000 --> 00:00:09.000 (LCRD) is blasting off to space from Florida to prove 4 00:00:09.000 --> 00:00:11.000 we can communicate using lasers. 5 00:00:11.000 --> 00:00:13.000 LCRD will relay sample data, 6 00:00:13.000 --> 00:00:15.000 like glimpses of planetary surfaces 7 00:00:15.000 --> 00:00:17.000 or satellite health, 8 00:00:17.000 --> 00:00:19.000 down to Earth over infrared lasers. 9 00:00:19.000 --> 00:00:21.000 Historically, NASA has used 10 00:00:21.000 --> 00:00:23.000 radio waves to communicate. 11 00:00:23.000 --> 00:00:25.000 When we landed on the Moon in 1969, 12 00:00:25.000 --> 00:00:27.000 Neil Armstrong’s 13 00:00:27.000 --> 00:00:29.000 first words came across radio waves. 14 00:00:29.000 --> 00:00:31.000 “That’s one 15 00:00:31.000 --> 00:00:33.000 small step for man, 16 00:00:33.000 --> 00:00:35.000 one 17 00:00:35.000 --> 00:00:37.000 giant leap for mankind.” 18 00:00:37.000 --> 00:00:39.000 When we go back to the moon, 19 00:00:39.000 --> 00:00:41.000 we’re going to stay longer 20 00:00:41.000 --> 00:00:43.000 and explore more. 21 00:00:43.000 --> 00:00:45.000 With so many new and exciting things 22 00:00:45.000 --> 00:00:47.000 happening on the Moon, 23 00:00:47.000 --> 00:00:49.000 missions will need a better way to talk with Earth. 24 00:00:49.000 --> 00:00:51.000 That is where lasers come in. 25 00:00:51.000 --> 00:00:53.000 LCRD will demo 26 00:00:53.000 --> 00:00:55.000 the vast capabilities of 27 00:00:55.000 --> 00:00:57.000 laser communications. 28 00:00:57.000 --> 00:00:59.000 This includes transmitting 10 to 100 29 00:00:59.000 --> 00:01:01.000 times more information to Earth 30 00:01:01.000 --> 00:01:03.000 than is possible using radio systems 31 00:01:03.000 --> 00:01:05.000 meaning missions can send 32 00:01:05.000 --> 00:01:07.000 more detailed photos, 33 00:01:07.000 --> 00:01:09.000 videos, and data. 34 00:01:09.000 --> 00:01:11.000 When LCRD reaches its 35 00:01:11.000 --> 00:01:13.000 destination, it will spend 36 00:01:13.000 --> 00:01:15.000 two years conducting experiments that will 37 00:01:15.000 --> 00:01:17.000 be developed by NASA 38 00:01:17.000 --> 00:01:19.000 and our friends in industry and academia. 39 00:01:19.000 --> 00:01:21.000 LCRD’s 40 00:01:21.000 --> 00:01:23.000 first orbiting experimental 41 00:01:23.000 --> 00:01:25.000 user will be the International Space Station. 42 00:01:25.000 --> 00:01:27.000 Astronauts 43 00:01:27.000 --> 00:01:29.000 live and work there, conducting 44 00:01:29.000 --> 00:01:31.000 research about life in space, 45 00:01:31.000 --> 00:01:33.000 microgravity, biology, and more. 46 00:01:33.000 --> 00:01:35.000 Using lasers, 47 00:01:35.000 --> 00:01:37.000 the station will be able to relay 48 00:01:37.000 --> 00:01:39.000 more experimental data 49 00:01:39.000 --> 00:01:41.000 to scientists on Earth. 50 00:01:41.000 --> 00:01:43.000 Laser systems are great for missions 51 00:01:43.000 --> 00:01:45.000 like the space station because they weigh less, 52 00:01:45.000 --> 00:01:47.000 are smaller, and use less 53 00:01:47.000 --> 00:01:49.000 power than radio systems. 54 00:01:49.000 --> 00:01:51.000 A smaller size means more room 55 00:01:51.000 --> 00:01:53.000 for science instruments. 56 00:01:53.000 --> 00:01:55.000 Less weight means 57 00:01:55.000 --> 00:01:57.000 a less expensive launch. 58 00:01:57.000 --> 00:01:59.000 Less power means less drain 59 00:01:59.000 --> 00:02:01.000 on the spacecraft’s batteries. 60 00:02:01.000 --> 00:02:03.000 LCRD and the space station 61 00:02:03.000 --> 00:02:05.000 will work together and 62 00:02:05.000 --> 00:02:07.000 demonstrate laser communications near Earth. 63 00:02:07.000 --> 00:02:09.000 This will help prove laser systems 64 00:02:09.000 --> 00:02:11.000 are an option for our future expeditions 65 00:02:11.000 --> 00:02:13.000 back to the Moon and then on to Mars. 66 00:02:13.000 --> 00:02:16.000 67 00:02:16.000 --> 00:02:18.000 Join us and learn more at 68 00:02:18.000 --> 00:02:20.000 nasa.gov/lasercomms 69 00:02:20.000 --> 00:02:21.000 70 00:02:21.000 --> 00:02:23.000 71 00:02:23.000 --> 00:02:21.269