Signal
Submitted
Feb 14, 2026, 12:22 UTC
Russian Vishnya class surveillance vessel 'Vasiliy Tatishchev' conducted surveillance against NATO exercise units in the Northern Sea before returning to the Baltic Sea on 4 March 2024.
The Russian Navy Baltic Fleet's Vishnya class surveillance vessel 'Vasiliy Tatishchev' returned to the Baltic Sea on 4 March 2024 after likely conducting approximately two weeks of surveillance operations against Exercise Steadfast Defender units in the Northern Sea (NSEA).
Confidence: High
A Russian military reconnaissance vessel conducted surveillance operations against NATO exercise units, constituting hostile naval intelligence-gathering indicative of conventional military pressure in a contested maritime region.
Source URL
https://x.com/i/web/status/1764665900534251828
Published as a hybrid-warfare signal with a public source and reviewer-approved assessment bands. See the methodology for how records are assessed.
{
"id": "f9c707f7-a234-4683-bf11-8d8d5805908b",
"url": "https://x.com/i/web/status/1764665900534251828",
"source": "csv-import",
"status": "approved",
"category": "Military & Paramilitary Operations",
"subcategory": "Conventional Military Pressure",
"incident_type": "Naval intimidation / close approaches",
"country": "Russian Federation",
"source_reliability": "C",
"info_credibility": "3",
"tags": [
"Russian Navy",
"Baltic Fleet",
"Vishnya class",
"Surveillance Vessel",
"Steadfast Defender",
"Northern Sea",
"Baltic Sea",
"Military Surveillance"
],
"nodes": [],
"countries": [],
"where_text": "Maritime",
"headline": null,
"description": "The Russian Navy Baltic Fleet's Vishnya class surveillance vessel 'Vasiliy Tatishchev' returned to the Baltic Sea on 4 March 2024 after likely conducting approximately two weeks of surveillance operations against Exercise Steadfast Defender units in the Northern Sea (NSEA).",
"summary_short": "Russian Vishnya class surveillance vessel 'Vasiliy Tatishchev' conducted surveillance against NATO exercise units in the Northern Sea before returning to the Baltic Sea on 4 March 2024.",
"summary_extended": null,
"actor_primary": "Russian Navy Baltic Fleet",
"target_primary": null,
"location_text": "Baltic Sea and Northern Sea exercising area",
"location_region": null,
"location_coordinates_lat": 61.52401,
"location_coordinates_lon": 105.318756,
"location_precision": "Approximate",
"is_aggressor_signal": true,
"signal_type": "HYBRID_SIGNAL",
"is_hybrid_war_signal": true,
"classification_complete": true,
"hybrid_signal_complete": true,
"classification_confidence": "High",
"classification_rationale": "A Russian military reconnaissance vessel conducted surveillance operations against NATO exercise units, constituting hostile naval intelligence-gathering indicative of conventional military pressure in a contested maritime region.",
"event_time_utc": "2024-03-04T00:00:00.000Z",
"end_time_utc": null,
"event_time_confidence": "pm24h",
"created_at": "2026-02-14T12:22:56.224Z",
"updated_at": "2026-11-08T19:54:38.249Z",
"reliability_band": "strong",
"location_precision_band": "approximate",
"time_precision_band": "within_24h",
"severity_band": "minor",
"attribution_confidence_band": "high",
"attribution_basis": "single_source"
}Source reliability
C
Info credibility
3
Event time
Mar 4, 2024, 00:00 UTC
Event time confidence
pm24h
Location
Baltic Sea and Northern Sea exercising area
Primary actor
Russian Navy Baltic Fleet
Country
Russian Federation
Tags
Russian Navy, Baltic Fleet, Vishnya class, Surveillance Vessel, Steadfast Defender, Northern Sea, Baltic Sea, Military Surveillance
Signal
Submitted
Feb 14, 2026, 12:22 UTC
Russian Vishnya class surveillance vessel 'Vasiliy Tatishchev' conducted surveillance against NATO exercise units in the Northern Sea before returning to the Baltic Sea on 4 March 2024.
The Russian Navy Baltic Fleet's Vishnya class surveillance vessel 'Vasiliy Tatishchev' returned to the Baltic Sea on 4 March 2024 after likely conducting approximately two weeks of surveillance operations against Exercise Steadfast Defender units in the Northern Sea (NSEA).
Confidence: High
A Russian military reconnaissance vessel conducted surveillance operations against NATO exercise units, constituting hostile naval intelligence-gathering indicative of conventional military pressure in a contested maritime region.
Source URL
https://x.com/i/web/status/1764665900534251828
Published as a hybrid-warfare signal with a public source and reviewer-approved assessment bands. See the methodology for how records are assessed.
{
"id": "f9c707f7-a234-4683-bf11-8d8d5805908b",
"url": "https://x.com/i/web/status/1764665900534251828",
"source": "csv-import",
"status": "approved",
"category": "Military & Paramilitary Operations",
"subcategory": "Conventional Military Pressure",
"incident_type": "Naval intimidation / close approaches",
"country": "Russian Federation",
"source_reliability": "C",
"info_credibility": "3",
"tags": [
"Russian Navy",
"Baltic Fleet",
"Vishnya class",
"Surveillance Vessel",
"Steadfast Defender",
"Northern Sea",
"Baltic Sea",
"Military Surveillance"
],
"nodes": [],
"countries": [],
"where_text": "Maritime",
"headline": null,
"description": "The Russian Navy Baltic Fleet's Vishnya class surveillance vessel 'Vasiliy Tatishchev' returned to the Baltic Sea on 4 March 2024 after likely conducting approximately two weeks of surveillance operations against Exercise Steadfast Defender units in the Northern Sea (NSEA).",
"summary_short": "Russian Vishnya class surveillance vessel 'Vasiliy Tatishchev' conducted surveillance against NATO exercise units in the Northern Sea before returning to the Baltic Sea on 4 March 2024.",
"summary_extended": null,
"actor_primary": "Russian Navy Baltic Fleet",
"target_primary": null,
"location_text": "Baltic Sea and Northern Sea exercising area",
"location_region": null,
"location_coordinates_lat": 61.52401,
"location_coordinates_lon": 105.318756,
"location_precision": "Approximate",
"is_aggressor_signal": true,
"signal_type": "HYBRID_SIGNAL",
"is_hybrid_war_signal": true,
"classification_complete": true,
"hybrid_signal_complete": true,
"classification_confidence": "High",
"classification_rationale": "A Russian military reconnaissance vessel conducted surveillance operations against NATO exercise units, constituting hostile naval intelligence-gathering indicative of conventional military pressure in a contested maritime region.",
"event_time_utc": "2024-03-04T00:00:00.000Z",
"end_time_utc": null,
"event_time_confidence": "pm24h",
"created_at": "2026-02-14T12:22:56.224Z",
"updated_at": "2026-11-08T19:54:38.249Z",
"reliability_band": "strong",
"location_precision_band": "approximate",
"time_precision_band": "within_24h",
"severity_band": "minor",
"attribution_confidence_band": "high",
"attribution_basis": "single_source"
}Source reliability
C
Info credibility
3
Event time
Mar 4, 2024, 00:00 UTC
Event time confidence
pm24h
Location
Baltic Sea and Northern Sea exercising area
Primary actor
Russian Navy Baltic Fleet
Country
Russian Federation
Tags
Russian Navy, Baltic Fleet, Vishnya class, Surveillance Vessel, Steadfast Defender, Northern Sea, Baltic Sea, Military Surveillance