TacSat-4 is the third in a series of U.S. military experimental technology and communication satellites. The United States Naval Research Laboratory (NRL) is the program manager.

2012年6月14日 · TacSat-4 (Tactical Satellite-4) TacSat-4 is a US technology demonstration minisatellite and a follow-up mission within the ORS (Operational Responsive Space) program of DoD, representing a partnership between three military service branches.

ABSTRACT TacSat-4 is a Navy-led joint mission to augment existing Satellite Communication (SATCOM) capabilities and to advance the state of Operationally Responsive Space (ORS) capabilities. In September 2011 TacSat-4 launched from Kodiak Launch Complex in Alaska into a low Highly Elliptical Orbit (HEO). During the following 12 months, experimentation and formal utility assessment were ...

2023年1月14日 · The all-telecom payload for the TacSat 4 mission beat out candidates that included a radar-imaging sensor that has been pushed by the U.S. Army. TacSat 4, tentatively scheduled for launch in late 2007, also features the prototype standardized satellite platform that the Air Force will be able to buy in bulk and adapt to a variety of future ...

2019年8月13日 · 美军对低轨通信卫星的研究和应用相对较早。 美国国防部（DOD）在2005年提出了“响应型太空计划”（ORS），并倡议发展战术卫星（TacSat）。 其中TacSat-4卫星属于通信试验卫星，于2011年发射，主要用于验证超视距通信以及数据中继服务。

2025年3月19日 · TACSAT 4 is a U.S. Navy satellite flying in a unique, gravitationally-stable orbit ranging from 400 miles (644 km) high to more than 7,300 miles (11,748 km) in altitude.

2011年9月27日 · Tacsat 4, a U.S. Navy communications satellite, was launched from Kodiak on 27 September 2011 at 15:49 UT by a Minotaur rocket. Tacsat 4, also known as the Tactical Microsatellite Innovative Naval Prototype, or INP, weighed 450 kg and is powered by twin solar arrays generating 1 kW of power.

The Naval Research Laboratory's Tactical Satellite IV (TacSat-4) has been encapsulated inside the fairing (nose cone) of an Orbital Sciences Corporation Minotaur-IV+ launch vehicle in preparation for a Sept. 27 launch from the Alaska Aerospace,

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TacSat-4’s primary COMMx payload and coverage can provide tailored SATCOM for a broad range of data-exfiltration missions including SIPRNET based applications.