DefenceTalkInstant and easy connectivity for mobile devices is often taken for granted, but modern cellular networks are tied to cell towers. How do you make a call when cell towers are not available? To answer this question, teams from the Air Force Research Laboratory’s Information Directorate, the United States Navy and Lockheed Martin came together […]https://www.defencetalk.com/air-force-research-lab-announces-muos-satellite-communications-testing-in-antarctica-65195/

DefenceTalkChina has made breakthroughs in the anti-jamming capability of its Beidou satellite navigation system (BDS), the People’s Liberation Army (PLA) Daily said Thursday. The new technology, developed by Wang Feixue and his team from the National University of Defense Technology, has made the satellites 1,000 times more secure, the newspaper said. In March, China launched […]https://www.defencetalk.com/chinas-beidou-navigation-system-more-resistant-to-jamming-64780/

DefenceTalkUkraine has gained access to Canadian satellite images that Ottawa’s own military forces could hardly afford; it still remains unclear how much the agreement with the Kiev regime will cost Canadian taxpayers. Canadian authorities have announced they would provide Ukraine with satellite imagery from its Radarsat-2 satellite; however, Ottawa’s decision has sparked controversy among Canadian […]https://www.defencetalk.com/canada-grants-kiev-access-to-sophisticated-satellite-imagery-63810/

DefenceTalkLifting off from Baikonur at 01:05 am Moscow Time on Thursday, March 19, the Proton-M integrated launch vehicle (ILV) successfully orbited the Airbus DS–built Express AM-7 telecommunications satellite for Russian Satellite Communications Company (RSCC), under the Russian Federal Program, “Development of TV and Radio Broadcasting in the Russian Federation for 2009–2015”. This second launch of […]https://www.defencetalk.com/proton-successfully-launches-the-express-am-7-satellite-for-the-russia-63578/

DefenceTalkNASA mission controllers confirmed that a small satellite launched from the International Space Station at 5:30 p.m. PST on Tuesday, March 3, has successfully entered its orbit, setting the stage to test technology that could enable rapid return of payloads from space. Over the next four weeks, the TechEdSat-4 satellite will deploy a second-generation exo-brake, […]https://www.defencetalk.com/nasa-uses-cubesat-bus-to-to-test-re-enter-drag-device-63420/

DefenceTalkA Soyuz-2.1a carrier rocket put a military satellite into its designated orbit Friday, a defense ministry spokesman, Col. Alexei Zolotukhin, told RIA Novosti. The satellite separated from the rocket some ten minutes after the liftoff from the Plesetsk space center in northwestern Russia’s Arkhangelsk Region and reached the designated orbit at 3:45 p.m. Moscow time […]https://www.defencetalk.com/soyuz-rocket-takes-military-satellite-to-designated-orbit-63351/

DefenceTalkChina and Russia strengthened cooperation in satellite navigation by holding the first meeting of the China-Russia Cooperation Program Committee on Satellite Navigation on Tuesday. The meeting reviewed the two countries’ collaboration in this area so far, set up several working groups and made plans for the future. Both sides agreed that China-Russia cooperation will play […]https://www.defencetalk.com/china-russia-strengthen-satellite-navigation-cooperation-62942/

DefenceTalkMultiple countries, especially China and Russia, pose a grave threat to US space security systems with advanced technologies they have developed that can disrupt satellite communications and operations, the head of US Strategic Command (STRATCOM), Navy Admiral Cecil D. Haney, said on Friday. “US national security space systems are facing a serious growing threat,” Haney […]https://www.defencetalk.com/us-concerned-by-growing-expertise-of-china-russia-space-capabilities-62850/

DefenceTalkIran launched an observation satellite Monday — its first since 2012 — with President Hassan Rouhani declaring it safely entered orbit and that he had personally ordered the mission. The Fajr (Dawn) satellite was successfully placed 450 kilometers (280 miles) above Earth, said Al-Alam television, an Arabic-language station owned by the Islamic republic. It is […]https://www.defencetalk.com/iran-launches-first-satellite-since-2012-62623/

DefenceTalkMarking a first in space, Sentinel-1A and Alphasat have linked up by laser stretching almost 36 000 km across space to deliver images of Earth just moments after they were captured. This important step demonstrates the potential of Europe’s new space data highway to relay large volumes of data very quickly so that information from […]https://www.defencetalk.com/laser-link-offers-high-speed-delivery-61089/