{"id":21342,"date":"2020-06-21T22:23:00","date_gmt":"2020-06-21T22:23:00","guid":{"rendered":"https:\/\/one.sightlinemg.com\/c4isrnet\/uncategorized\/2020\/06\/21\/missile-warning-satellite-completes-space-environment-testing\/"},"modified":"2026-08-08T18:07:21","modified_gmt":"2026-08-08T18:07:21","slug":"missile-warning-satellite-completes-space-environment-testing","status":"publish","type":"post","link":"https:\/\/one.sightlinemg.com\/c4isrnet\/space\/2020\/06\/21\/missile-warning-satellite-completes-space-environment-testing\/","title":{"rendered":"Missile warning satellite completes space environment testing"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">The Space Force\u2019s next missile warning satellite has successfully completed two months of testing to ensure it will survive in the harsh environment of space, according to the program\u2019s prime contractor Lockheed Martin.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The company said that the fifth geosynchronous Space Based Infrared System satellite completed its thermal vacuum (TVAC) testing June 9, bringing it one step closer to launch. During testing, the satellite was exposed to heat and cold in a depressurized atmosphere that mimics the environmental effects of space.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The SBIRS constellation provides missile warning capabilities to the U.S. military, detecting missile launches all around the globe and<a href=\"https:\/\/www.c4isrnet.com\/battlefield-tech\/space\/2020\/01\/29\/the-air-forces-new-system-to-process-missile-warning-data\/\" target=_blank> feeding that data to the nation\u2019s missile defense architecture<\/a>. The constellation currently includes four geosynchronous satellites with two additional satellites in highly elliptical orbits for global coverage.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The successful testing \u2014 <a href=\"https:\/\/www.c4isrnet.com\/battlefield-tech\/space\/2020\/04\/28\/the-space-forces-next-missile-warning-satellite-is-one-step-closer-to-2021-launch\/\" target=_blank>which began April 16<\/a> \u2015 is also a major milestone for Lockheed Martin, since SBIRS GEO-5 is the first military satellite built on the company\u2019s modernized LM 2100 bus.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u201cThe completion of TVAC can be attributed to a tremendous effort from the Air Force, Lockheed Martin, Aerospace Corporation, and supporting contractor teams,\u201d Tucker White, SBIRS GEO-5 assembly, test, and launch operations lead from the government\u2019s program office, said in a statement. \u201cThe teams worked around the clock and finished on schedule to their original projection. This test phase is vital to any space vehicle test regime and takes GEO-5 one step closer to providing enhanced missile detection to our warfighters.\u201d<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The satellite is expected to launch in 2021.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In 2014, Lockheed Martin was awarded $1.86 billion to build the fifth and sixth geosynchronous SBIRS satellites, which will replace the first two in the constellation. Those two satellites will be the final additions to the SBIRS constellation. Plans for two more satellites were scrapped in 2018. Instead, the Department of Defense is investing in the Next Gen Overhead Persistent Infrared, which will consist of three satellites in geosynchronous orbit and two covering the polar regions. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lockheed Martin was selected to build the former while Northrop Grumman was selected to build the latter. The first Next Gen OPIR satellite is expected to be delivered in 2025.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thermal Vacuum testing for the fifth geosynchronous Space Based Infrared System satellite wrapped up June 9, keeping the system on track for launch in 2021.<\/p>\n","protected":false},"author":7,"featured_media":63081,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_meta-robots-nofollow":"","_yoast_wpseo_canonical":"","_acf":"","_yoast_wpseo_primary_category":37,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","_smg_distribution_targets":{"10":{"categories":["space","military-space-report","newsletters","daily-news-roundup"],"primary_category":"space"}}},"categories":[7,106,29,32,37],"tags":[],"coauthors":[3143],"class_list":["post-21342","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battlefield-tech","category-daily-brief","category-home","category-newsletters","category-space"],"acf":{"subheadline":"","legacy_arc_id":"OCP2BM7KFRFATMFSBATHWGIABY","arc_canonical_url":"\/battlefield-tech\/space\/2020\/06\/21\/missile-warning-satellite-completes-space-environment-testing\/","remove_feature_photo":false,"is_sponsored":false,"subtype":"","redirect_url":"","disable_inline_ads":false,"native_logo_pretext":"Presented 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