nuclear development program; nuclear program
Refers to a nation's or organization's plan to develop nuclear technology, often for energy or weapons.
That country is advancing its nuclear development program.
The details of the nuclear program were not disclosed.
核開発 is the general concept of nuclear development, while 核開発計画 specifies the plan or program.
核兵器開発 explicitly refers to nuclear weapons development, whereas 核開発計画 can include both peaceful and military uses.
Compound of 核 (kaku, 'nuclear'), 開発 (kaihatsu, 'development'), and 計画 (keikaku, 'plan').