1 00:00:07,370 --> 00:00:03,669 hi i'm nasa kennedy's you're at the wolf 2 00:00:09,910 --> 00:00:07,380 and this is kennedy countdown 3 00:00:11,749 --> 00:00:09,920 [Music] 4 00:00:15,350 --> 00:00:11,759 nasa's laser communications relay 5 00:00:18,230 --> 00:00:15,360 demonstration or lcrd launched aboard a 6 00:00:21,109 --> 00:00:18,240 united launch alliance atlas 5 rocket 7 00:00:23,269 --> 00:00:21,119 from launch complex 41 on cape canaveral 8 00:00:26,630 --> 00:00:23,279 space force station in florida on 9 00:00:28,710 --> 00:00:26,640 december 7th at 5 19 a.m eastern time 10 00:00:30,550 --> 00:00:28,720 the satellite system launched as part of 11 00:00:33,110 --> 00:00:30,560 the department of defense's space test 12 00:00:34,790 --> 00:00:33,120 program 3 mission along with another 13 00:00:37,110 --> 00:00:34,800 nasa payload 14 00:00:38,630 --> 00:00:37,120 the ultraviolet spectral coronagraph 15 00:00:41,510 --> 00:00:38,640 pathfinder 16 00:00:44,310 --> 00:00:41,520 lcrd will test nasa's first end-to-end 17 00:00:46,630 --> 00:00:44,320 laser communication relay system 18 00:00:50,869 --> 00:00:46,640 demonstrating 10 to 100 times more 19 00:00:56,790 --> 00:00:53,670 just two days later nasa's imaging s3 20 00:00:59,510 --> 00:00:56,800 polarimetry explorer or xp launched 21 00:01:01,510 --> 00:00:59,520 aboard a spacex falcon 9 rocket from 22 00:01:04,549 --> 00:01:01,520 kennedy space center's launch complex 23 00:01:06,390 --> 00:01:04,559 39a during the early morning hours on 24 00:01:09,030 --> 00:01:06,400 december 9th 25 00:01:11,190 --> 00:01:09,040 xp is the agency's first satellite 26 00:01:12,390 --> 00:01:11,200 dedicated to measuring the polarization 27 00:01:15,270 --> 00:01:12,400 of x-rays 28 00:01:17,429 --> 00:01:15,280 from a variety of cosmic sources 29 00:01:19,990 --> 00:01:17,439 the observatory will fly three space 30 00:01:22,630 --> 00:01:20,000 telescopes with sensitive detectors 31 00:01:26,310 --> 00:01:22,640 capable of collecting and making images 32 00:01:29,270 --> 00:01:26,320 of x-rays from black holes neutron stars 33 00:01:31,990 --> 00:01:29,280 and other cosmic phenomena 34 00:01:34,149 --> 00:01:32,000 xp will study about 40 celestial objects 35 00:01:35,510 --> 00:01:34,159 during his first year in space 36 00:01:38,149 --> 00:01:35,520 with more detailed follow-up 37 00:01:40,469 --> 00:01:38,159 observations during its second year 38 00:01:43,429 --> 00:01:40,479 xp's launch was managed by nasa's launch 39 00:01:45,270 --> 00:01:43,439 services program based at kennedy 40 00:01:48,230 --> 00:01:45,280 to keep up with kennedy follow us on