{"id":54444,"date":"2025-10-30T20:59:19","date_gmt":"2025-10-30T19:59:19","guid":{"rendered":"https:\/\/spaceloversclub.com\/?page_id=54444"},"modified":"2026-08-17T16:24:50","modified_gmt":"2026-08-17T14:24:50","slug":"mercury-atlas","status":"publish","type":"page","link":"https:\/\/spaceloversclub.com\/fr\/mercury-atlas\/","title":{"rendered":"Atlas de Mercure"},"content":{"rendered":"<div data-elementor-type=\"wp-page\" data-elementor-id=\"54444\" class=\"elementor elementor-54444\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-slcsb5ef slc-breadcrumb-section elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"slcsb5ef\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-slcc45f8 sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"slcc45f8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-slcb01bb sc_fly_static elementor-widget elementor-widget-html\" data-id=\"slcb01bb\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<nav class=\"slc-menu-breadcrumbs\" aria-label=\"Fil d&#039;Ariane\"><ol><li><a class=\"slc-crumb slc-crumb--home\" href=\"\/fr\/\" aria-label=\"Retour \u00e0 la page d&#039;accueil\"><svg class=\"slc-home-svg\" viewbox=\"0 0 24 24\" aria-hidden=\"true\"><path d=\"M3.5 10.8 12 3.9l8.5 6.9\"><\/path><path d=\"M5.8 9.7v9.5h12.4V9.7\"><\/path><path d=\"M9.5 19.2v-5.8h5v5.8\"><\/path><\/svg><span>Accueil<\/span><\/a><\/li><li class=\"slc-sep\" aria-hidden=\"true\"><svg viewbox=\"0 0 16 16\"><path d=\"m6 3.5 4.5 4.5L6 12.5\"><\/path><\/svg><\/li><li><span class=\"slc-crumb slc-crumb--group\">La conqu\u00eate de l'espace<\/span><\/li><li class=\"slc-sep\" aria-hidden=\"true\"><svg viewbox=\"0 0 16 16\"><path d=\"m6 3.5 4.5 4.5L6 12.5\"><\/path><\/svg><\/li><li><a class=\"slc-crumb slc-crumb--link\" href=\"\/fr\/spaceships\/\">Vaisseaux spatiaux<\/a><\/li><li class=\"slc-sep\" aria-hidden=\"true\"><svg viewbox=\"0 0 16 16\"><path d=\"m6 3.5 4.5 4.5L6 12.5\"><\/path><\/svg><\/li><li><span class=\"slc-crumb slc-crumb--current\" aria-current=\"page\">Atlas de Mercure<\/span><\/li><\/ol><\/nav><style>\n.slc-breadcrumb-section,\nbody .elementor > .elementor-top-section.slc-breadcrumb-section{display:block!important;grid-column:1\/-1!important;counter-increment:none!important;width:100%!important;max-width:none!important;min-height:0!important;margin:0 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.slc-menu-breadcrumbs{margin-top:18px!important;margin-bottom:18px!important}}\n<\/style>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-be57438 elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"be57438\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7eb09bc sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"7eb09bc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1e18cff sc_fly_static elementor-widget elementor-widget-image\" data-id=\"1e18cff\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"422\" height=\"540\" src=\"https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-1.jpg\" class=\"attachment-large size-large wp-image-54452\" alt=\"\" srcset=\"https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-1.jpg 422w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-1-234x300.jpg 234w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-1-370x473.jpg 370w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-1-410x525.jpg 410w\" sizes=\"(max-width: 600px) 100vw, 422px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-231183a elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"231183a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d21a6f9 sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"d21a6f9\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f959c72 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"f959c72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mercury-Atlas \u00e9tait un sous-programme du projet Mercury qui comprenait la plupart des vols et des essais effectu\u00e9s avec le lanceur Atlas LV-3B. L&#039;Atlas a \u00e9galement \u00e9t\u00e9 utilis\u00e9 pour un vol Mercury dans le cadre du sous-programme Big Joe.<br \/>Le syst\u00e8me de num\u00e9rotation des missions Mercury \u00e9tait le suivant\u00a0: une d\u00e9signation \u00e0 deux lettres indiquant le type de lanceur, suivie d\u2019un tiret, puis d\u2019un num\u00e9ro d\u00e9signant le num\u00e9ro de vol ou d\u2019essai. Les lanceurs Atlas utilis\u00e9s pour le projet Mercury recevaient un nombre \u00e0 deux ou trois chiffres suivi de \u201c\u00a0-D\u00a0\u201d, indiquant qu\u2019il s\u2019agissait de la version \u201c\u00a0D\u00a0\u201d de l\u2019Atlas.<\/p><p>Dans le cadre du programme Mercury, le missile Atlas D \u00e9tait consid\u00e9r\u00e9 comme un choix judicieux, car il \u00e9tait le seul lanceur de l&#039;arsenal am\u00e9ricain capable de placer le vaisseau spatial en orbite. La fus\u00e9e Atlas D, configur\u00e9e pour les lancements Mercury, mesurait 28,6 m\u00e8tres de haut, 3 m\u00e8tres de diam\u00e8tre et pesait 118 tonnes avec son carburant. Elle disposait \u00e9galement de la capacit\u00e9 d&#039;emport requise de 1\u00a0360 kg, suffisante pour la capsule Mercury et son pilote.<\/p><p>Cependant, sa fiabilit\u00e9 \u00e9tait loin d&#039;\u00eatre parfaite dans sa configuration militaire et, de ce fait, elle ne pouvait \u00eatre qualifi\u00e9e pour transporter des astronautes. La NASA ne souhaitait pas attendre la conception d&#039;une nouvelle fus\u00e9e et le programme d&#039;essais subs\u00e9quent, ni la prochaine g\u00e9n\u00e9ration de Titan II, pour faire progresser le projet Mercury. Convair a donc d\u00fb apporter des modifications importantes \u00e0 l&#039;Atlas D afin de la rendre s\u00fbre et fiable pour les lancements habit\u00e9s. Par ailleurs, la NASA estimait que la configuration de lancement \u00e0 un \u00e9tage et demi de l&#039;Atlas D \u00e9tait pr\u00e9f\u00e9rable \u00e0 celle \u00e0 deux \u00e9tages de la Titan, notamment du point de vue des v\u00e9rifications pr\u00e9-vol. Malgr\u00e9 les probl\u00e8mes de fiabilit\u00e9 de l&#039;Atlas, la NASA a b\u00e9n\u00e9fici\u00e9 de la possibilit\u00e9 de mener les essais du projet Mercury simultan\u00e9ment \u00e0 la R&amp;D de l&#039;Atlas, ce qui a fourni des ensembles de donn\u00e9es tr\u00e8s utiles ainsi qu&#039;un environnement de test pour les \u00e9quipements modifi\u00e9s destin\u00e9s aux lancements Mercury.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-180e06a elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"180e06a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c5c96b3 sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"c5c96b3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-f9da843 sc_fly_static elementor-widget elementor-widget-image\" data-id=\"f9da843\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"420\" height=\"540\" src=\"https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-2.jpg\" class=\"attachment-large size-large wp-image-54453\" alt=\"\" srcset=\"https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-2.jpg 420w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-2-233x300.jpg 233w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-2-370x476.jpg 370w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-2-410x527.jpg 410w\" sizes=\"(max-width: 600px) 100vw, 420px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-56f7035 elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"56f7035\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-cc0ce7b sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"cc0ce7b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-04bb112 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"04bb112\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Mercury-Atlas 6 (MA-6) fut le premier vol spatial orbital am\u00e9ricain, qui eut lieu le 20 f\u00e9vrier 1962. Pilot\u00e9 par l&#039;astronaute John Glenn et exploit\u00e9 par la NASA dans le cadre du projet Mercury.<\/p><p>Mercury-Atlas 6 (MA-6) fut le premier vol spatial orbital am\u00e9ricain, qui eut lieu le 20 f\u00e9vrier 1962. Pilot\u00e9 par l&#039;astronaute John Glenn et exploit\u00e9 par la NASA dans le cadre du projet Mercury.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-37f1a17 elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"37f1a17\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-a984944 sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"a984944\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4266863 sc_fly_static elementor-widget elementor-widget-image\" data-id=\"4266863\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"420\" height=\"317\" src=\"https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-3.jpg\" class=\"attachment-large size-large wp-image-54454\" alt=\"\" srcset=\"https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-3.jpg 420w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-3-300x226.jpg 300w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-3-370x279.jpg 370w, https:\/\/spaceloversclub.com\/wp-content\/uploads\/2025\/10\/Merkury-atlas-3-410x309.jpg 410w\" sizes=\"(max-width: 600px) 100vw, 420px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6008e13 elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"6008e13\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7f196e3 sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"7f196e3\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c7699b7 sc_fly_static elementor-widget elementor-widget-text-editor\" data-id=\"c7699b7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Au total, neuf lancements Mercury-Atlas ont \u00e9t\u00e9 effectu\u00e9s\u00a0: deux vols suborbitaux inhabit\u00e9s, trois vols orbitaux inhabit\u00e9s et quatre vols Mercury habit\u00e9s. Tous les lancements Atlas ont eu lieu depuis le complexe de lancement 14 de la base a\u00e9rienne de Cap Canaveral, en Floride, le dernier lancement remontant au 15\u00a0mai\u00a01963. La NASA avait initialement pr\u00e9vu d\u2019utiliser des fus\u00e9es restantes pour lancer les v\u00e9hicules cibles Gemini-Agena. Cependant, une augmentation des cr\u00e9dits en\u00a01964 a permis \u00e0 l\u2019agence d\u2019acqu\u00e9rir de nouvelles fus\u00e9es Atlas pour le projet Mercury.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-fd836ad elementor-section-boxed elementor-section-height-default elementor-section-height-default sc_fly_static\" data-id=\"fd836ad\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-extended\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4c85545 sc_content_align_inherit sc_layouts_column_icons_position_left sc_fly_static\" data-id=\"4c85545\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c116b6e sc_fly_static elementor-widget elementor-widget-trx_sc_button\" data-id=\"c116b6e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"trx_sc_button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<div\tclass=\"sc_item_button sc_button_wrap\" ><a href=\"https:\/\/spaceloversclub.com\/fr\/spaceships\/\" class=\"sc_button sc_button_default sc_button_size_normal sc_button_with_icon sc_button_icon_left\" ><span class=\"sc_button_icon\"><span class=\"icon-reply\"><\/span><\/span><span class=\"sc_button_text\"><span class=\"sc_button_title\">Vaisseaux spatiaux<\/span><\/span><\/a><\/div>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>Mercury-Atlas was a subprogram of Project Mercury that included most of the flights and tests using the Atlas LV-3B launch vehicle. The Atlas was also used for one Mercury flight&hellip;<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"elementor_header_footer","meta":{"footnotes":""},"class_list":["post-54444","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Mercury-Atlas - Space Lovers Club<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/spaceloversclub.com\/fr\/mercury-atlas\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Mercury-Atlas - Space Lovers Club\" \/>\n<meta property=\"og:description\" content=\"Mercury-Atlas was a subprogram of Project Mercury that included most of the flights and tests using the Atlas LV-3B launch vehicle. 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