NATO has announced that its major annual nuclear exercise, "Steadfast Noon," is starting next week. The exercise, led by the Netherlands, involves 71 aircraft from 14 NATO countries and focuses on protecting nuclear weapons before use.

The Russian president said he expects to make an announcement soon as Moscow actively works on its nuclear arsenal.

North Korean leader Kim Jong Un has unveiled the Hwasong‑20, a so-called “Doomsday Missile” that Pyongyang claims is capable of striking the United States. The display highlights North Korea’s continued focus on advancing its nuclear weapons program and projecting military power.

The U.S. Navy carried out four scheduled unarmed missile tests of the Trident II D5LE off the coast of Florida last week.

Chinese scientists tested a provocative military scenario: the effects of three rapid nuclear strikes on the same target.

PCBs are synthetic chemicals once used in industry, including missile control electrical components such as display screens, keyboards, and circuit breakers. They have been banned for manufacture since 1979, deemed toxic and a likely carcinogen by the Environmental Protection Agency.

Saudi Arabia has long been linked to Pakistan's nuclear program, providing it with financial support to keep pursuing its development of atomic weapons while the country faced related U.S. sanctions for years.

Key Points and Summary – Britain’s HMS Vanguard and France’s Le Triomphant—both ballistic-missile submarines—accidentally collided while submerged on 3–4 February 2009. -Operating quietly on passive sonar and without shared waterspace management,