The domestically developed Korean satellite CAS500-1 (Compact Advanced Satellite 500-1) is launched on March 22 from Baikonur Cosmodrome, a spaceport in Baikonur, southern Kazakhstan. (Korea Aerospace Research Institute)

By Lee Jihae

A next-generation mid-size satellite independently developed by Korea was launched on March 22.

The Ministry of Science and ICT and the Ministry of Land, Infrastructure and Transport said, "The CAS500-1 (Compact Advanced Satellite 500-1) was successfully launched at 3:07 p.m. this afternoon (Korean Standard Time and 11:07 a.m. Kazak Standard Time) at Baikonur Cosmodrome in Kazakhstan."

The satellite was loaded on the Russian projectile Soyuz 2.1a when launched. It made its first communication with a ground station within 102 minutes after liftoff and safely entered its target orbit.

The CAS500-1 was developed to utilize the 500-kg mid-size "standard platform" by its supervisory body Korea Aerospace Research Institute. Korean aerospace companies also participated in the satellite's independent technological development.

The launch came six years after the satellite's development began in 2015.

The CAS500-1 is slated to remain in a synchronous orbit around the sun for six months at an altitude of 497.8 km. From October, it will provide detailed ground observation videos of the Korean Peninsula for use in responding to disasters, observing water resources, and managing land and resources.

Minister of Science and ICT Choi Kiyoung said, "This launch has laid the cornerstone for boosting the satellite industry and thus sent a flare signaling the 'K-satellite era,'" adding, "It is significant that science and technology have greatly contributed to enhancing the people's quality of life and offering hope during the difficult COVID-19 era."



Korea's first military communications satellite Anasis-II on July 20 is carried on the rocket Falcon-9 and launched at 5:30 p.m. in Florida at Cape Canaveral Air Force Station. (Screen capture from Space X YouTube)

By Kim Young Deok and Lee Jihae

Korea's first military communications satellite Anasis-II on July 20 was launched at 5:30 p.m. in Florida at Cape Canaveral Air Force Station of Kennedy Space Center.

The Defense Acquisition Program Administration (DAPA) in Seoul announced on July 21 that it successfully launched Anasis-II to open the space age of national defense.

The launch came seven years after the project began in 2014, making Korea the 10th country to procure a satellite exclusively for military communications.

Anasis-II will replace Anasia, a communications satellite used for both military and civilian uses. Unlike its predecessor, Anasis-II will be used exclusively for military purposes.

Anasis-II has more than twice the data transmission capacity as its existing counterparts and can maintain communication despite obstructive jamming. DAPA said the satellite will provide a stable and safe telecommunications network exclusively for the military.

Anasis-II is expected to safely enter its geostationary orbit at 36,000 km and undergo a month of verification of its functions and operability. It will be handed over to the Korean military in October.

DAPA said, "We will secure national defense in space in phases via surveillance patrol and early warnings in the new battlefield of space."

A clip of the launch is available on the website of Space X (www.spacex.com), an American aerospace manufacturer and space transportation services company whose rocket propelled the satellite into space, and on the company's YouTube channel (www.youtube.com/SpaceX/videos). 




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