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The SPS-49 2D long range air search radar was replaced by the Thales Nederland SMART-S Mk 2 E/F-band 3D surveillance radar, and the two STIR 1.8 fire control radars were replaced by a pair of Saab Ceros 200 re-control radars. A Telephonics IFF Mode 5/S interrogator was installed and the Elisra NS9003A-V2HC ESM system replaced the SLQ-501 CANEWS.
The Type 054A (NATO/OSD Jiangkai II) is a class of guided-missile frigate from the People's Republic of China.It is a development of the Type 054 frigate; [6] compared to its predecessor, the Type 054A has medium-range air defense capability in the form of Type 382 radar and vertically launched (VLS) HHQ-16 surface-to-air missiles.
[1] The 7th participated in the Vietnam War from 1966 to 1969. They operated first from Da Nang (Hill 34) with elements operating at the Phu Bai Combat Base while assigned to the 1st Marine Division. While in Vietnam, members of the unit were assigned or attached to other USMC units.
Due to the spatial scale of hostilities, the communication problem in the military in the 19th century acquired great importance. In the Imperial Russian Army the first attempts to introduce the telegraph took place during the Russian-Turkish war of 1877-1878, and it brought along with it enormous benefit in the management of troops, they have led to greater use of means of communication.
[47] [48] On 3 February it was reported that Project 22350M frigates and possibly some Project 22350 frigates will have their 3S14 vertical launching systems adapted to fire 40N6E long-range anti-aircraft guided missile which are used by the S-400 missile system and have a range of 400 km. [49] [50] [46]
The C band is a designation by the Institute of Electrical and Electronics Engineers (IEEE) for a portion of the electromagnetic spectrum in the microwave range of frequencies ranging from 4.0 to 8.0 gigahertz (GHz). [1] However, the U.S. Federal Communications Commission C band proceeding and auction, designated 3.7–4.2 GHz as C band. [2]
Since satellite communications were a thing of the future, a daring long-range penetration operation was launched by members of Company E, 52nd Infantry (LRP) against the North Vietnamese Army when they rappelled from six helicopters and seized "Signal Hill" the name attributed to the peak of Dong Re Lao Mountain, a densely forested 4,879-foot ...
The 1876th Communications Squadron was a unit of the United States Air Force that performed communications functions in the Republic of Vietnam from 1965 to 1972 during the Vietnam War and then at the United States Air Force Academy from April 1972, where it was upgraded to a group in 1995. It has been inactive since the early 1990s when USAF ...