{"id":610241,"date":"2024-02-07T14:17:16","date_gmt":"2024-02-07T19:17:16","guid":{"rendered":"https:\/\/www.nasa.gov\/?post_type=image-article&p=610241"},"modified":"2024-02-07T14:17:18","modified_gmt":"2024-02-07T19:17:18","slug":"astronaut-bruce-mccandless-performs-the-first-untethered-spacewalk","status":"publish","type":"image-article","link":"https:\/\/www.nasa.gov\/image-article\/astronaut-bruce-mccandless-performs-the-first-untethered-spacewalk\/","title":{"rendered":"Astronaut Bruce McCandless Performs the First Untethered Spacewalk"},"content":{"rendered":"<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-none \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"2048\" height=\"2048\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?w=2048\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"An astronaut is surrounded by empty space as he floats at a 45-degree angle above Earth.\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg 5735w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=150,150 150w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=300,300 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=768,768 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=1024,1024 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=1536,1536 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=2048,2048 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=50,50 50w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=100,100 100w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=200,200 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=400,400 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=600,600 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=900,900 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=1200,1200 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?resize=2000,2000 2000w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" loading=\"eager\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\"><div class=\"hds-credits\">NASA<\/div><\/figcaption><\/div><\/div><\/div>\n\n\n<p>Astronaut <a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2016\/01\/mccandless_bruce_bio.pdf?emrc=666fb1c348c33\">Bruce McCandless II<\/a> approaches his maximum distance from the Earth-orbiting Space Shuttle Challenger in this 70mm photo from Feb. 7, 1984. While testing out the nitrogen-propelled, hand-controlled back-pack device called the <a href=\"https:\/\/www.nasa.gov\/history\/SP-4219\/Chapter13.html\">manned maneuvering unit<\/a> (MMU) for the first time, McCandless\u2019s fellow crewmembers aboard the reusable vehicle photographed him. The MMU allowed crews to move outside of the cargo bay and perform activities away from the safety of the spacecraft. \u201cIt may have been one small step for Neil,\u201d he proclaimed, \u201cbut it\u2019s a heck of a big leap for me.\u201d<\/p>\n\n\n\n<p><a href=\"https:\/\/www.nasa.gov\/history\/photos-from-sts-41b\/\">Learn how this and other iconic photos from the STS-41B mission came to be.<\/a><\/p>\n\n\n\n<p><em>Image Credit: NASA<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Astronaut Bruce McCandless II approaches his maximum distance from the Earth-orbiting Space Shuttle Challenger in this 70mm photo from Feb. 7, 1984. While testing out the nitrogen-propelled, hand-controlled back-pack device called the manned maneuvering unit (MMU) for the first time, McCandless\u2019s fellow crewmembers aboard the reusable vehicle photographed him. The MMU allowed crews to move […]<\/p>\n","protected":false},"author":334,"featured_media":610245,"template":"","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"","nasa_hds_core_meta_article_contacts":[],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":[],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[]},"categories":[3631,2725],"news-tags":[],"internal-terms":[],"coauthors":[11483],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"NewsArticle","headline":"Astronaut Bruce McCandless Performs the First Untethered Spacewalk","url":"https:\/\/www.nasa.gov\/image-article\/astronaut-bruce-mccandless-performs-the-first-untethered-spacewalk\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/image-article\/astronaut-bruce-mccandless-performs-the-first-untethered-spacewalk\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg"},"articleSection":"Humans in Space","author":[{"@type":"Person","name":"Monika Luabeya"}],"creator":["Monika Luabeya"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["Missions","Space Shuttle","Bruce McCandless"],"dateCreated":"2024-02-07T19:17:16Z","datePublished":"2024-02-07T19:17:16Z","dateModified":"2024-02-07T19:17:18Z"},"rendered":"<meta name=\"parsely-title\" content=\"Astronaut Bruce McCandless Performs the First Untethered Spacewalk\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/image-article\/astronaut-bruce-mccandless-performs-the-first-untethered-spacewalk\/\" \/>\n<meta name=\"parsely-type\" content=\"post\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2024-02-07T19:17:16Z\" \/>\n<meta name=\"parsely-section\" content=\"Humans in Space\" \/>\n<meta name=\"parsely-tags\" content=\"Missions,Space Shuttle,Bruce McCandless\" \/>\n<meta name=\"parsely-author\" content=\"Monika Luabeya\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":1,"featured_image":{"id":610245,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/02\/s84-27018orig.jpg","title":"Astronaut Bruce McCandless Performs the First Untethered Spacewalk","alt":"An astronaut is surrounded by empty space as he floats at a 45-degree angle above Earth.","caption":"Astronaut Bruce McCandless II approaches his maximum distance from the Earth-orbiting Space Shuttle Challenger in this 70mm frame photographed by his fellow crewmembers onboard the reusable vehicle. McCandless is in the midst of the first \"field\" tryout of the nitrogen-propelled, hand-controlled back-pack device called the manned maneuvering unit (MMU). Astronaut Robert L. Stewart got a chance to test the same unit a while later in the lengthy EVA session while the two spacewalkers were photographed and monitored by their fellow crewmembers in Challenger's cabin. Those inside were Astronauts Vance D. Brand, Robert L. Gibson and Dr. Ronald E. McNair."},"_links":{"self":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article\/610241"}],"collection":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article"}],"about":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/types\/image-article"}],"author":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/users\/334"}],"version-history":[{"count":1,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article\/610241\/revisions"}],"predecessor-version":[{"id":610262,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/image-article\/610241\/revisions\/610262"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media\/610245"}],"wp:attachment":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media?parent=610241"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/categories?post=610241"},{"taxonomy":"news-tags","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/news-tags?post=610241"},{"taxonomy":"internal-terms","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/internal-terms?post=610241"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/coauthors?post=610241"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}