The exercise was initially supposed to be US-sponsored, but has been expanded to a larger-scale NATO exercise as part of a bid to reassure eastern member states that feel threatened by Russia. It will train more than 2,000 soldiers, according to the alliance.
“Steadfast Javelin II is designed to demonstrate NATO’s commitment to its fundamental purpose to safeguard the freedom and security of its members and partners,” it said in a statement.
The exercise will run through September 8 in Estonia, Latvia, Lithuania and Poland, as well as Germany. The United States and Canada are also among the countries taking part. More NATO exercises are already planned for the coming months, including in Ukraine.