1. US President Donald Trump has announced a potential resumption of nuclear weapons testing, but the intentions behind this are unclear to Vice Admiral Richard Correll, who is nominated to command US nuclear forces.

2. The proposed tests could involve testing delivery systems rather than actual explosions, according to Vice Admiral Correll. Neither Russia nor China have conducted nuclear tests involving explosions in recent times.

3. While the need for nuclear tests is debated, US Vice President JD Vance emphasizes the importance of ensuring the functionality of the US nuclear arsenal. However, Hans Kristensen from the Federation of American Scientists argues that nuclear tests are not required for maintaining or developing new nuclear weapons.