The invasion of Ukraine by Russia gives NATO troops in the Baltics a more concentrated focus.

• Currently, 1,600 troops from the U.K. are stationed at this military base, making it the leader of NATO's presence here.
• Colonel Dai Bevan, head of NATO's Enhanced Forward Presence in Estonia, stated that their routine involves continuous training.
• NATO has declined to deploy troops to Ukraine to prevent the conflict with Russia from intensifying, as they are concerned that this action may lead to a global war.

In TAPA, Estonia, located 70 miles from the Russian border and an hour's drive west of the capital, NATO troops are prepared to respond if President Putin launches an attack.

Since Russia's illegal annexation of Crimea in 2014, the NATO military alliance has increased its presence at the Tapa military base in central Estonia. Tensions have escalated further since early February when Moscow deployed approximately 100,000 troops closer to Ukraine, culminating in an invasion of the country later that month.

Simon Worth, commanding officer of the U.K.'s Royal Tank Regiment, stated that examining the situation in Ukraine helps him better understand the significance of his work in the country.

Currently, 1,600 troops from the U.K. are stationed at this military base, making it the leader of NATO's presence here.

Britain's decision to increase its military presence in Estonia was aimed at reassuring its Estonian partners, according to Ross Allen, the U.K. Ambassador to Estonia, who spoke to CNBC.

The U.K. has the option to prolong the presence of these troops in the region, as he stated.

Soldiers from Denmark, France, and Estonia are stationed at this base, with approximately 200 troops from each country present, resulting in a total of 4,000 troops on the ground.

The Tapa military base is currently at full capacity, necessitating the use of tents for some soldiers to sleep in.

Colonel Dai Bevan, head of NATO's Enhanced Forward Presence in Estonia, stated that their routine involves continuous training.

He stated that in order to be prepared to react to any enemy who poses a threat to either Estonia or the NATO region, we must be vigilant.

While Russian troops have faced difficulties in advancing quickly in Ukraine, defense and military officials in Estonia believe that Russia is unlikely to launch an attack on any NATO country. However, the alliance remains vigilant, particularly concerning potential cyber attacks and misinformation.

Although NATO has declined to deploy soldiers to Ukraine to prevent a conflict escalation with Russia, it has still provided equipment to Ukrainian forces and increased its military presence in all eastern European regions.

The United States leads NATO's battlegroup in Poland, where the highest number of NATO troops are currently stationed, at 10,500.

The alliance has increased its military presence in eastern Europe and stated its readiness to provide additional support if necessary.

Jens Stoltenberg, Secretary-General of NATO, stated that the alliance is likely to deploy additional troops to Bulgaria, Hungary, Romania, and Slovakia prior to the upcoming NATO leaders summit on Thursday.

Stoltenberg stated that leaders are likely to enhance NATO's posture across all domains, with significant boosts in the eastern part of the alliance, particularly on land, in the air, and at sea, on Wednesday.