Australia announced the establishment of the AUKUS military alliance with the United States and the United Kingdom in 2021.

China announced the establishment of a military base in the Indian Ocean in 2021 to strengthen its defense presence.

Australia announced plans to acquire nuclear-powered submarines as part of its defense strategy in 2022.

The United States announced the establishment of a new Space Command in 2022 to enhance its military capabilities.

Japan signed a defense pact with the United States in 2022 to strengthen military cooperation in the Indo-Pacific.

The Philippines signed a defense pact with the United States in 2022 to enhance military cooperation in the Pacific.

Estonia increased its defense spending to 2.5% of GDP in 2022 in response to the Ukraine conflict.

Germany announced a significant increase in its defense budget in 2023 due to rising tensions in Eastern Europe.

South Korea announced plans to develop a new stealth fighter jet in collaboration with the United Kingdom in 2023.

Australia announced the establishment of a new military base in the Indo-Pacific region in 2023 to counter China's growing influence.

The United States became the first country to officially recognize the establishment of a Space Force.

Estonia announced plans to increase its defense spending to 2.5% of GDP in 2023.

The US-Japan Security Treaty was reaffirmed in 2021 to strengthen military cooperation.

Russia launched 'Operation Z' in Ukraine in February 2022, marking a significant escalation in the conflict.

The U.S. military's new strategy focusing on great power competition is called the 'National Defense Strategy', released in 2022.

The AUKUS agreement was signed in 2021, focusing on defense collaboration between Australia, the UK, and the US.

The AUKUS agreement was signed in 2021, focusing on defense technology collaboration between Australia, the UK, and the US.

The AUKUS agreement was signed between the United States, Australia, and the UK in 2021 to enhance defense cooperation.

Germany announced a significant increase in its military budget in 2022 in response to the Ukraine conflict.

Israel became the first country to deploy a fully autonomous combat drone in 2022.

The United States deployed a fully operational laser weapon system on a naval vessel in 2022.

Russia deployed a military unit to the Arctic region in 2022 as part of its defense strategy.

Pakistan became the first country to officially recognize the Taliban government in Afghanistan in 2021.

Russia conducted the 'Indra 2022' military exercise with India in 2022.

Russia conducted the 'Indra 2022' military exercise with India, focusing on counter-terrorism operations.

China conducted a successful test of an anti-satellite missile in 2021, raising international concerns about space security.

Japan signed a defense pact with the United States in 2021 to enhance military cooperation in the Indo-Pacific region.

Russia tested its Tsirkon hypersonic missile in 2022, asserting its capability to bypass missile defense systems.

Russia tested its Tsirkon hypersonic missile in 2022, asserting its capability to bypass missile defense systems.

China unveiled its first domestically produced aircraft carrier in 2021, enhancing its naval power.