German soldiers of the Nato enhanced Forward Presence (EFP) Battalion Battle Group in Lithuania attend a ceremony during a visit of German Defence Minister Christine Lambrecht to Rukla Military Base, Lithuania, on February 22. EPA
A solemn welcoming ceremony of US soldiers at Adazi military base, Latvia, on February 25, 2022. More than 300 soldiers of the 173rd Air Force Brigade arrived to demonstrate the US commitment to defend Nato allies and strengthen Latvia's defence capabilities following Russia's military operation in Ukraine. EPA
US paratroopers in Ukraine's western Lviv region during a Nato-sponsored training exercise in 2020. AP
A US military aircraft takes off at the US Air Base Ramstein, in Landstuhl, Germany, on February 25. US President Joe Biden February 24 authorised the deployment of further armed forces to Germany as part of Nato's response to Russia's military aggression on Ukraine. EPA
Nato Secretary General Jens Stoltenberg at the alliance's headquarters in Brussels, Belgium, on February 25. EPA
A convoy of British armoured vehicles of the Royal Welsh Battlegroup on the way to Estonia, driving through Liepupe, Latvia, on February 25. British troops and equipment are heading to Estonia as part of the UK's contribution to strengthen Nato's uplift to Eastern Europe. EPA
Protesters outside a Nato leaders virtual summit in Brussels on February 25. AP
A US Air Force F-35 Lightning II aircraft assigned to the 34th Fighter Squadron receives fuel from a KC-10 Extender aircraft over Poland on February 24. US Air Force/Reuters
US military personnel check an Apache attack helicopter AH-64 during a technical stop on the tarmac at Traian Vuia International Airport in Timisoara, Romania, on February 24. EPA
German soldiers of the Nato enhanced Forward Presence (EFP) Battalion Battle Group in Lithuania attend a ceremony during a visit of German Defence Minister Christine Lambrecht to Rukla Military Base, Lithuania, on February 22. EPA
A solemn welcoming ceremony of US soldiers at Adazi military base, Latvia, on February 25, 2022. More than 300 soldiers of the 173rd Air Force Brigade arrived to demonstrate the US commitment to defend Nato allies and strengthen Latvia's defence capabilities following Russia's military operation in Ukraine. EPA
US paratroopers in Ukraine's western Lviv region during a Nato-sponsored training exercise in 2020. AP
A US military aircraft takes off at the US Air Base Ramstein, in Landstuhl, Germany, on February 25. US President Joe Biden February 24 authorised the deployment of further armed forces to Germany as part of Nato's response to Russia's military aggression on Ukraine. EPA
Nato Secretary General Jens Stoltenberg at the alliance's headquarters in Brussels, Belgium, on February 25. EPA
A convoy of British armoured vehicles of the Royal Welsh Battlegroup on the way to Estonia, driving through Liepupe, Latvia, on February 25. British troops and equipment are heading to Estonia as part of the UK's contribution to strengthen Nato's uplift to Eastern Europe. EPA
Protesters outside a Nato leaders virtual summit in Brussels on February 25. AP
A US Air Force F-35 Lightning II aircraft assigned to the 34th Fighter Squadron receives fuel from a KC-10 Extender aircraft over Poland on February 24. US Air Force/Reuters
US military personnel check an Apache attack helicopter AH-64 during a technical stop on the tarmac at Traian Vuia International Airport in Timisoara, Romania, on February 24. EPA
German soldiers of the Nato enhanced Forward Presence (EFP) Battalion Battle Group in Lithuania attend a ceremony during a visit of German Defence Minister Christine Lambrecht to Rukla Military Base, Lithuania, on February 22. EPA