Russian President Vladimir Putin’s decision to launch a massive assault on independent, democratic, non-nuclear Ukraine has unleashed a war that has killed thousands, displaced millions, and raised the risk of nuclear conflict.

There is no hope of dealing constructively with the defining security crisis of a generation if Russia and the West are not willing to compromise.

Amid concerns that Russia could use weapons of mass destruction (WMD) in Ukraine, a group of U.S. national security officials is mulling potential responses.

The United States accounts for an increasing share of major conventional weapons exports, according to a new report.

Congress rejected the Pentagon’s request for funding in the 2022 defense appropriations bill.

When the United States ratified the Chemical Weapons Convention, it accepted the treaty mandate to eliminate its chemical weapons within a decade. But several extensions have come and gone, and the government is pushing hard to finish destroying the last vestiges of its once-massive Cold War-era stockpile by 2023.

A chart outlining proposals put forward by the three parties to resolve differences over Ukraine and European security.