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Angara-1.2 flies its fourth mission

The light version of the Angara rocket lifted off from Plesetsk on March 15, 2025, carrying multiple military payloads during its fourth mission since the introduction of the vehicle in 2022.


launch

The fourth Angara-1.2 mission at a glance:

Launch vehicle
Angara-1.2 No. 71605 (No. 4L) AM (Insider Content)
Payload fairing
14S733
Launch site
Launch date and time
2025 March 16, 13:50 Moscow Time
Payload
Kosmos-2585, -2586, -2587 (14F132 Rodnik No. 29, 30, 31 – Block 14S137 No. 17)

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In early March 2025, Russian authorities issued sea- and air-traffic warnings in the Barents Sea and the Arctic Ocean, whose coordinates matched the areas appropriate for the impact of the first stage of the Angara-1.2 rocket and its payload fairing, when heading to a near-polar orbit with an inclination 82.5 degrees from Plesetsk. Simultaneously, an area off the West Coast of Africa was declared dangerous for navigation. It matched the distance from Plesetsk to the impact of Angara's second stage for missions heading to a near-polar orbit.

According to the advisories, the launch was scheduled between March 15 and 16, 2025, which was confirmed with unofficial reports on the Russia social media predicting a liftoff of the Angara-1.2 rocket from Site 35 around 13:50 Moscow Time (6:50 a.m. EDT) on March 15, 2025.

On March 15, Russian sources quoting Roskosmos said that the military launch of an Angara-1.2 rocket had been planned between 13:30 and 14:30 Moscow Time. The ground track of the mission was to go over territories of the Mezensky, Plesetsk, Primorsk and Kholmogorsk districts of the Arkhangelsk Oblast (Region).

However, later in the day, unofficial reports said that the launch had been postponed for 24 hours until March 16, 2025.

On March 16, 2025, Roskosmos announced that Angara-1.2 launch vehicle lifted off at 13:50 Moscow Time with multiple spacecraft for the Ministry of Defense. According to the Russian military, the spacecraft reached their target orbits as scheduled and were taken under control by the ground assets of the Air and Space Forces, VKS.

Several hours after the launch, the US Space Force catalogued three objects associated with the mission:

ID
NORAD ID
Orbital period
Inclination
Perigee
Apogee
2025-054A
63288
116.09 minutes
82.51 degrees
1,493 kilometers
1,516 kilometers
2025-054B
63289
116.06 minutes
82.50 degrees
1,493 kilometers
1,514 kilometers
2025-054C
63290
116.04 minutes
82.50 degrees
1,493 kilometers
1,513 kilometers

The orbital parameters of the mission suggested the latest launch of a Rodnik satellite trio. The satellites, intended for classified communications, likely represented a long-delayed modernized versions developed under the Klyuch project, which aimed to replace foreign avionics with domestic hardware.

 

Article and illustration by Anatoly Zak; last update: March 17, 2025

Page editor: Alain Chabot; last edit: March 17, 2025

All rights reserved

insider content

 

erecting

The fourth Angara-1.2 rocket is being prepared for rollout to the launch pad in March 2025. Click to enlarge.


erecting

The fourth Angara-1.2 rocket rolls out to the launch pad in March 2025. Click to enlarge.


erecting

Angara-1.2 is installed on the launch pad ahead of its fourth mission in March 2025. Click to enlarge.