# NATO races to guard against Russian nuclear subs without the US

> **Open Intelligence Dossier** · First detected: 2026-09-06 00:07 UTC · Category: World

## Executive Summary
NATO allies are conducting unprecedented naval exercises near Iceland to counter Russian nuclear submarines without the participation of United States forces.

## Intelligence Brief
NATO has initiated a series of strategic military exercises known as Northern Viking, conducted off the coast of Iceland. According to reports from the Kyiv Post, UA.NEWS, and elitexpert.ua, these drills specifically focused on searching for and defending against Russian nuclear-powered submarines. This particular operation is notable because it marks the first time NATO has conducted such exercises without the participation of the United States. The efforts are part of a broader movement by NATO allies to bolster their defensive capabilities and step up countermeasures against Russian naval assets in a period of heightened geopolitical tensions. Coverage of these events is widespread across several outlets.


Politico and A News emphasize a perceived race to guard against Russian nuclear threats as the role of the United States recedes. Military Watch Magazine highlights that Russia's nuclear submarine fleet is undergoing fast modernization, which has sparked significant alarm within the alliance. Furthermore, The Defence Blog reports that NATO is actively shadowing Russian ships in the Mediterranean, indicating that the alliance's vigilance extends beyond the North Atlantic to other critical maritime corridors. Context provided by Yahoo suggests that the primary technical concern for NATO involves the development of quieter Russian submarines, a point raised by a former commander. This stealth capability increases the difficulty of detection and tracking, necessitating the specialized training conducted during the Northern Viking drills.


The decision to operate without U.S. support suggests a shift in how NATO members manage regional security and a need for European allies to develop independent capabilities to track nuclear-powered vessels that threaten the North Atlantic security architecture. Future developments to monitor include the outcome of these first-of-their-kind independent exercises and the continued modernization of the Russian submarine fleet. Based on reporting from Crypto Briefing and other sources, the alliance will likely continue to seek ways to counter Russian naval movements amid ongoing tensions. Attention remains on whether the pattern of conducting major exercises without U.S. involvement continues and how NATO maintains its shadowing operations of Russian vessels in the Mediterranean and near Iceland.

## Multi-Source Evidence Table
| Source Outlet | Headline | Verification URL |
|---|---|---|
| yahoo.com | NATO is concerned about quieter Russian submarines, former commander says | [Source Link](https://news.google.com/rss/articles/CBMilAFBVV95cUxQa2lUdjgzU0FnQ01Ob2NWbEdmeUdsSjJiYnBBVHdNSVdlUC1HazdqaWo0MVpJRzduS1R4cEd3NzN5MExOYmZpS1BPSU5FYkhIYXBJSUkxanJ1SURYZUVtamNkaktwdmxXTU5oRXVFYXQ5c3hNbTh6Y0NhLUlTaGh1OFRwaGJhOFZyOUJ0VmpSMWFFOXdX?oc=5) |
| Kyiv Post | NATO Holds Northern Viking Drill Off Iceland Without US Forces | [Source Link](https://news.google.com/rss/articles/CBMiS0FVX3lxTE00U0oyX0Uwcm93ZG5mQmxMNFpfdENMZlM5MWxwT2FOSkxyMW52c09NT0tfR2ZXZ1BtcEkwUC1wb1dYckNSVGtvaThiWQ?oc=5) |
| Українські Національні Новини (УНН) | NATO conducted exercises for the first time to defend against russia's nuclear-powered submarines without U.S. participation - Politico | [Source Link](https://news.google.com/rss/articles/CBMi6AFBVV95cUxPNmE2UTJUdVRjLS1lTmJGTkYyXzNGUXl5NERCZHJReVhIM19saUNJYlkzdzQxMmQ2dGIxc1hhV01SQnR0U2lEcm1pRERGczJ1Y2gxTDBqUW44VDRGMVVBdlpkSzA5ZjJfWE9PZk5tdi1lWnhjakpMcnNQN3Q5R28xTm5nWmlDY0xvd1MxS3BtX0lhbnFaZklDbHlFVzFIa3VtalZFRG05eUwxTlM3RHpnQUx0VldOSUhVdjQ5ZENjV2R0TXFaNmdiM2plT0YxTW5CbUFTUmZpY0xFVzNxTUVZU2ZBUXZWdkpI0gHnAUFVX3lxTE9GaFJHQklZUWpwQnEyNWVRQXJOb2tudGsybG11WG9tdmpGNkVZVWYydVk5dWdjclhCMk5LU2d6YmlGNjFlTTVWVW53RmhBcFdIWEFxMjRBMmMtd3U1a08weHQ2TG9jdEp1MFZ) |
| UA.NEWS | NATO held its first exercise near Iceland without the United States | [Source Link](https://news.google.com/rss/articles/CBMiiAFBVV95cUxQel94WTRjX1lQblBjeldqemEyU1M0MHc4TEFRc09aaFRGaTJlb2NEQ2VzNTN6T2N3REI4RzlDU3FfSkFMT2F4R3BvUV9Jd2ZXekFyeXZBYmw4RnJwdWtoQS1GNXVJajdRMjM0S3piajRSR0wwQ0wzU1R1WDNrNktNcjZnVm1GeGZm?oc=5) |
| Crypto Briefing | NATO bolsters defense against Russian subs without US support amid tensions | [Source Link](https://news.google.com/rss/articles/CBMipgFBVV95cUxOY2tUazJ0c240Sm50WGx5SklpUm1vWnBPN0k3Y3g3Y0tmTVNEOVRxSjFOOHpoX19URXE1OVpERDJReXFnbnRaZEpDRVhYc1RwMTliQ0xIaWxLY2MtU3QzNzZsdG1FN19iN1FycEZRdkpBbDEyWUlQaXJraWFFdFZFMUhNYkdsWkpOUXRmS0FXOXRnTlVJRmlZOHpHU1p5SnFqOW5lWnFn?oc=5) |
| elitexpert.ua | NATO conducted exercises near Iceland to search for Russian submarines without US participation | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxQUnJ1bnR1alRxMHpWOGlyM1JNYndlY2VqQ1IyTE5oYzRBYjNaOWVyckd1TVdWeEYwTjVSZldQUy1DZ1BVdzFqNU9rNEN2TDFiVDBTcExMbnBxbjVWUUwwcms4eXFmT2tRY2wxcWZGZGxfUE5lM0x5SndjcTZFQ1NXWFBMWWhIUU16VWRXbG5rRjY1LWtQX0h2OTFHOWtmQWI4b2Z6WS1QZTByNnhBT2swUkZjNzQ1clU0NXRTcXltbURhdw?oc=5) |
| The Defence Blog | NATO says it is shadowing Russian ships in the Mediterranean | [Source Link](https://news.google.com/rss/articles/CBMijwFBVV95cUxPOHZ5NVRIcXFqWHJab2FUcWlFNkhHdFJCSDVhTDVPbWRYYVFvVGFiX29GLUZNV0ZfeFkzbUE4UlpFNlI1b3BRS1I5NDNRYlNRc2plOUdHS1dFalRVUFhtMlRmWWV3M2dXX2s4SllrVDRsOGQtdnNZTEVsd1dTSjF2SEJ4bzN5SlM4TXV5VXlGUdIBlAFBVV95cUxPQlZrMG4wdjJHOEI2d3JXeWMwN0FfM21fb2xNSlpMVkNwMzM2X2V2ZzVrdk5HQnZMWi11U1JrdEVvRm9nb1lvSER1Ql9zTVZaNnVmakV2RHJhY3VCaFpCX3hXM1NHVDdEMkdhYVllcjJpU3BvT0dQNVpqTTBSYktjVWlCOHNpSXQtZC1qUWU0RWFhNHha?oc=5) |
| UA.NEWS | NATO held exercises without U.S. participation for the first time | [Source Link](https://news.google.com/rss/articles/CBMifkFVX3lxTFBXdDRNWTNkT0ZwVUpTVE9XOHI0SFhtdHJWcVBVbHZvQlN2WU9iVHZFd2pDMkoxUERtMFZEMDRPeHp6QVJ4NHE5X2RKVUlUMlp0a2hKSFp0OEs1N2FkM09ETl9FWEZZYVphbnEyX1FOVjFZal9aQ3R4dHdub1BiZw?oc=5) |
| A News | NATO allies step up efforts to counter Russian submarines as US role recedes | [Source Link](https://news.google.com/rss/articles/CBMiugFBVV95cUxPQV8tUGZjQk5mWjcwZUVReHNQd0x3YzZhc0xMWHhMelJRMk90NHdiQXV4SDNZNm1odW9pazRneGpzc3FmbnIyLUh5RHUwRnpfd0p3aE1EZzBjRWRSYmNMeVVlMVhvMC15ZUFSVVJEUHc3QkExaXlEZC1lSzBzdXBjUVl2SnFNdFVtU2VkMWJ6YnltSUtVLTFjOF9aMmFabHZUcHU5OGRiUXNnUmFVZG1JOTU3aURNTWhsb1HSAb8BQVVfeXFMTUZDTFNQY015N1Znd0RYN0ZFbDNjdXFXSGxRWGo4WDdaMnl3NGFDckJRS1VwMEFyZEg4dGtQR0VZSjB1dUhtM082OUpGUWtFWWZ4ZldFaU1KUF9HSlpVemhsTHF2RWh4MHhPUUdKaWV2emRfbmV0a3RKaDhQaklhT3VxaVFLM1RlS2VRcXdnTHZuR2NxeWlrYjV) |
| Military Watch Magazine | Russia’s Fast Modernising Nuclear Submarine Fleet Sparks Concern in NATO | [Source Link](https://news.google.com/rss/articles/CBMiiwFBVV95cUxOMDBkV3A4WTVmZTJsRWF5dkRMY3oyU04tVzhmY3hlSTJJVmlwTlVYZ1FFMjBrUUtSdVhOYWUxREh3SzBuNjA3SXBremZ1QVRwd0owdUdubnRZdWRaNUZoaHlmMnYxcjRSNDNET0R0WXdhdWs2TmJ5c1R4Sk1NVUZCOGoyQUVEV0dwMkZn?oc=5) |
| politico.com | NATO races to guard against Russian nuclear subs without the US | [Source Link](https://news.google.com/rss/articles/CBMihAFBVV95cUxOVkNJSXc2R01vejJKbVpwdHBXYS1NWFJXZi1sVmxIUGNQSTRTbG9oeDh1U2lPeTBFNl9HWGpRNEx6VVNPM3ZjUUQ4R0tXUFE2TUVBNndjWXdsQUhzenktWEdUSmpaTE9vSUxDRW1fZlJMa29HcVJtVFZuUDlYRDU2ZHQxYnI?oc=5) |

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*Canonical Source: https://pulse.byoviral.com/trend/2026-09-06/nato-races-to-guard-against-russian-nuclear-subs-without-the-us*