# Strela-2
**Wikidata**: [Q14701806](https://www.wikidata.org/wiki/Q14701806)  
**Source**: https://4ort.xyz/entity/strela-2

## Summary
Strela-2 is a series of Soviet and Russian military communications satellites that form a subclass of the broader Strela constellation. Identified by the GRAU index 11Ф611, these spacecraft are designed to provide dedicated communication capabilities for military operations.

## Key Facts
- **Classification:** Military communications satellite
- **Parent Constellation:** Strela [class]
- **GRAU Index:** 11Ф611
- **Alias:** 11Ф611
- **Subclass of:** Strela
- **Related Entities:** Cosmos 103, Cosmos 151, and Cosmos 236
- **Origin:** Soviet Union / Russia

## FAQs
### Q: What is the purpose of the Strela-2 satellite series?
A: Strela-2 is a series of military communications satellites used by the Soviet and Russian military. It functions as a specialized subclass within the larger Strela constellation to facilitate secure communications.

### Q: What is the official GRAU index for Strela-2?
A: The official GRAU index for the Strela-2 series is 11Ф611. This alphanumeric code is used for the formal identification of the spacecraft within the Russian defense system.

### Q: Which specific satellites are associated with the Strela-2 program?
A: The Strela-2 program includes several satellites launched under the Cosmos designation, specifically Cosmos 103, Cosmos 151, and Cosmos 236.

## Why It Matters
Strela-2 represents a significant component of the Soviet and Russian military communications infrastructure. As a specialized subclass of the Strela constellation, it serves as a dedicated platform for military-grade data transmission. Its importance is rooted in its role as a secure communication link, providing the infrastructure necessary for coordinating military activities across vast distances. The use of the GRAU index 11Ф611 signifies its formal integration into the state's defense systems, marking it as a standardized tool for orbital operations. 

By examining its relationship with satellites such as Cosmos 103, Cosmos 151, and Cosmos 236, one can see the continuity of the Strela-2 program across multiple missions. This series of satellites addresses the fundamental need for reliable, space-based communication channels that are capable of supporting strategic military objectives. For historians and technical analysts, Strela-2 is a key example of how the Soviet Union and Russia developed specialized satellite classes to maintain a technological presence in military communications. It remains a foundational part of the Strela family, illustrating the evolution of satellite technology from early Cosmos missions to established military constellations.

## Notable For
- **Official Designation:** Recognized by the GRAU index 11Ф611.
- **Constellation Membership:** Operates as a specific subclass of the Strela military communications constellation.
- **Mission History:** Directly linked to the deployment of Cosmos 103, Cosmos 151, and Cosmos 236.

## Body

### Classification and Identification
Strela-2 is categorized as a military communications satellite. It is a direct subclass of the Strela constellation, a group of Soviet and Russian spacecraft designed for defense-related communication. The system is officially identified by the GRAU index 11Ф611, which also serves as an alias for the satellite series.

### Related Spacecraft and Missions
The Strela-2 program is linked to several specific satellite launches conducted under the "Cosmos" designation. These missions represent the practical deployment of the 11Ф611 technology in orbit. Notable examples include:
*   **Cosmos 103:** A satellite identified as part of the Strela-2 related group.
*   **Cosmos 151:** A mission associated with the Strela-2 technical framework.
*   **Cosmos 236:** A further iteration or deployment within the Strela-2 series.

### Technical Context
As part of the Strela class, Strela-2 functions within a broader network of military communications. Its primary purpose is to facilitate data transmission and connectivity for defense purposes. The Strela constellation itself is a well-established class of Soviet/Russian military communications satellites, with Strela-2 serving as a specific evolutionary step or specialized variant within that broader category.