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Delta IV Liên kết ngoàiLiên quan
Delta Deltarune Delta Air Lines Delta Ursae Majoris Delta Force: Land Warrior Delta II Delta Capricorni Delta Force 2 Delta Geminorum Delta Force (trò chơi điện tử)Tài liệu tham khảo
WikiPedia: Delta IV http://www.ulalaunch.com/site/pages/Products_Delta... http://www.ulalaunch.com/uploads/docs/Launch_Vehic... http://www.b14643.de/Spacerockets_2/United_States_... http://www.bernd-leitenberger.de/delta-3und4.shtml http://space.skyrocket.de/doc_lau/delta-4.htm http://www,gao,gov/products/GAO-17-609 https://web.archive.org/web/20140710005717/http://...