Search our content

Home  /  Newsroom  /  News  /  2023  /  ARRC deploys to Romania for Ex Steadfast Jupiter 23

Oct 3 2023

ARRC deploys to Romania for Ex Steadfast Jupiter 23

BUCHAREST, Romania – During October 2023 the Allied Rapid Reaction Corps (ARRC) will deploy to Bucharest, Romania, to participate in Exercise Steadfast Jupiter 23 (STJU23), a critical training event scheduled by Supreme Headquarters Allied Powers Europe (SHAPE).

STJU23 will be the largest and most complex undertaking of NATO in recent history and an excellent opportunity for the Alliance to test responsiveness, command and control, and defence posture in a highly challenging multi-threat environment - Brigadier Mark A. Cunningham, NATO Joint Warfare Centre

Throughout, ARRC will be evaluated in its primary role as a war fighting Corps Headquarters. This exercise will mark a significant step in its progression towards becoming the Land Component Command for the NATO Response Force in 2024.


With an ARRC participation of approximately 700 service members from 21 Alliance members, the HQ will engage in a series of realistic scenarios, training exercises, and assessments designed to enhance their ability to rapidly respond to a wide range of security challenges.

In addition to the ARRC's involvement, STJU23 encompasses a larger multinational effort involving 24 training audiences conducting Command Post Exercises across various locations in Europe.

The wider exercise focuses on collective defence across the whole spectrum of NATO’s 360-degree approach to security. It is guided by NATO’s two main concepts, the Deterrence and Defence of the Euro-Atlantic Area (DDA) and the NATO Warfighting Capstone Concept.

STJU23 is a pivotal training opportunity that will test and evaluate the readiness and capabilities of the ARRC as it assumes a readiness role within the NATO structure. This multinational endeavour will be a testament to NATO's commitment to collective defence and interoperability among its member nations.

Story by ARRC Public Affairs Office

Search our content:


Allied Rapid Reaction Corps
Imjin Barracks
United Kingdom

Media Operations

Public Affairs Office
Imjin Barracks
United Kingdom