{"page":"\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/resources-572d6a42.css\" /\u003e\n\u003clink rel=\"stylesheet\" href=\"https://lessonplanet.com/assets/packs/css/lp_boclips_stylesheets-f4d0de30.css\" media=\"all\" /\u003e\n\u003cdiv data-title='NASA aims for Sunday shuttle launch, tightens launch rules' data-url='/boclips/videos/5c54c4e6d8eafeecae16c24e' data-video-url='/boclips/videos/5c54c4e6d8eafeecae16c24e' id='bo_player_modal'\u003e\n\u003cdiv class='boclips-resource-page modal-dialog panel-container'\u003e\n\u003cdiv class='react-notifications-root'\u003e\u003c/div\u003e\n\u003cdiv class='rp-header'\u003e\n\u003cdiv class='rp-type'\u003e\n\u003ci aria-hidden='true' class='fai fa-regular fa-circle-play'\u003e\u003c/i\u003e\nVideo\n\u003c/div\u003e\n\u003ch1 class='rp-title' id='video-title'\u003e\nNASA aims for Sunday shuttle launch, tightens launch rules\n\u003c/h1\u003e\n\u003cdiv class='rp-actions'\u003e\n\u003cdiv class='mr-1'\u003e\n\u003ca class=\"btn btn-success\" data-posthog-event=\"Signup: LP Signup Activity\" data-posthog-location=\"body_link_boclips\" data-remote=\"true\" href=\"/subscription/new\"\u003e\u003cspan\u003e\u003cspan\u003eGet Free Access\u003c/span\u003e\u003cspan class=\"\"\u003e for 10 Days\u003c/span\u003e\u003cspan\u003e!\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-body'\u003e\n\u003cdiv class='rp-info'\u003e\n\u003cdiv aria-label='Hide resource details' class='rp-hide-info' role='button' tabindex='0'\u003e\u0026times;\u003c/div\u003e\n\u003ci aria-label='Expand resource details' class='rp-expand-info fai fa-solid fa-up-right-and-down-left-from-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003ci aria-label='Compress resource details' class='rp-compress-info fai fa-solid fa-down-left-and-up-right-to-center' role='button' tabindex='0'\u003e\u003c/i\u003e\n\u003cdiv class='rp-rating'\u003e\n\u003cspan class='resource-pool'\u003e\n\u003cspan class='pool-label'\u003ePublisher:\u003c/span\u003e\n\u003cspan class='pool-name'\u003e\n\u003cspan class='text'\u003e\u003ca data-publisher-id=\"30356011\" href=\"/search?publisher_ids%5B%5D=30356011\"\u003eCurated Video\u003c/a\u003e\u003c/span\u003e\n\u003c/span\u003e\n\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='rp-description'\u003e\n\u003cspan class='short-description'\u003e1. Wide of news conference UPSOUND (English) \"give you a latest of what's going on and open up for questions\"2. SOUNDBITE: (English) LeRoy Cain, Chairman of the Mission Management Team:\"The organisations were by in large go for us to...\u003c/span\u003e\n\u003cspan class='full-description hide'\u003e1. Wide of news conference UPSOUND (English) \"give you a latest of what's going on and open up for questions\"\u003cbr/\u003e2. SOUNDBITE: (English) LeRoy Cain, Chairman of the Mission Management Team:\u003cbr/\u003e\"The organisations were by in large go for us to proceed to launch, they were all go for us to proceed to launch, let me be clear about that. So that's our plan. we will come in for a tanking briefing tomorrow morning, we'll fill up the tank and we'll see what we get. If we meet our criteria, we'll go fly and if we don't, we'll scrub and we'll get a good tanking test and we'll go forward from there.\"\u003cbr/\u003e3. Wide of briefing\u003cbr/\u003e4. SOUNDBITE: (English) Doug Lyons, NASA Launch Director:\u003cbr/\u003e\"We'll go ahead and get the tank filled, and shortly there after the crew will head to the launch pad, I think the crew is targeted to do just that 1130 AM in the morning and launch going in and Leroy has talked about should be in the 0320 PM time frame.\"\u003cbr/\u003e5. Wide of shuttle on launch pad at dusk\u003cbr/\u003e6. Tight of shuttle on launch pad\u003cbr/\u003eWith unreliable fuel gauges still a possible threat, NASA aimed for a Sunday launch of space shuttle 'Atlantis' after senior managers approved a plan to tighten flight rules.\u003cbr/\u003eManagers believe that extra precautions will keep 'Atlantis' and its seven-man crew as safe as possible, that is if the shuttle lifts off with a European laboratory intended for the international space station.\u003cbr/\u003eOn Saturday, two engineering departments at NASA recommended delaying the launch and conducting additional testing after several fuel gauges misfired during Thursday's launch attempt. \u003cbr/\u003eOptimistic of a Sunday launch, Chairman of the mission management team, LeRoy Cain told a news conference \"if we meet our criteria, we'll go fly and if we don't, we'll scrub and we'll get a good tanking test and we'll go forward from there.\"\u003cbr/\u003eUnder the new rules, NASA will proceed with the countdown only if all four of the gauges in Atlantis' big hydrogen tank are working properly. \u003cbr/\u003eTwo of them failed when the shuttle's tank was filled for lift off on Thursday and a third one subsequently acted up.\u003cbr/\u003eNASA passed up launch tries on Friday and Saturday because of the perplexing problem, which has plagued the shuttle programme off and on for more than two years. \u003cbr/\u003eAfter meeting again Saturday, shuttle managers decided to press ahead with a Sunday afternoon lift off, but only if all the fuel gauges work according to plan.\u003cbr/\u003eThe fuel gauges, officially known as engine cut-off sensors, are part of a critical backup system for preventing the shuttle's main engines from running too long during the climb to orbit. \u003cbr/\u003eIf the engines kept running and the fuel tank was empty because of a leak or other unexpected trouble, they could ignite or explode.\u003cbr/\u003eLast year, after struggling in vain with the problem, NASA loosened its launch rules to require only three of the four fuel gauges to be working before lift off. \u003cbr/\u003eManagers went back to the four-of-four rule on Saturday, for this mission only, after concluding that Atlantis' system was suspect and that it would be too risky to attempt a launch without every single gauge functioning.\u003cbr/\u003eNASA also decided to shorten the five-minute launch window to a single minute to put Atlantis on a more direct path to the space station and keep more fuel in the tank, just in case of sensor trouble. \u003cbr/\u003eAnd new instrumentation for monitoring the condition of the fuel gauges will be used during flight, enabling flight controllers and the astronauts to intercede in case of multiple failures.\u003cbr/\u003eThe plan was put forth by the astronauts themselves.\u003cbr/\u003ePacked aboard Atlantis is the European Space Agency's 2 billion (b) US Dollar science laboratory, Columbus. \u003cbr/\u003eIt will be the second lab added to the space station; Japan's Kibo lab, or Hope, will follow on successive shuttle flights next year.\u003cbr/\u003eColumbus has been waiting to fly for years. \u003cbr/\u003eIt was stalled first by NASA space station design problems, then by Russian space station holdups, then by the Columbia tragedy in 2003, which grounded all shuttle flights for 2ďż˝ years.\u003cbr/\u003eNASA is up against a tight deadline for launching Atlantis in December.\u003cbr/\u003e\u003c/span\u003e\n\u003c/div\u003e\n\u003cdiv class='action-container flex justify-between'\u003e\n\u003cbutton aria-expanded='false' aria-label='Read more description' class='rp-full-description' type='button'\u003e\n\u003ci class='fai fa-solid fa-align-left'\u003e\u003c/i\u003e\n\u003cspan id='read_more'\u003eRead More\u003c/span\u003e\n\u003c/button\u003e\n\u003cdiv class='rp-report'\u003e\n\u003c/div\u003e\n\u003c/div\u003e\n\u003cdiv aria-labelledby='resource-details-heading' class='rp-info-section'\u003e\n\u003ch2 class='title' 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