arms expansion; military buildup
Refers to increasing a nation's military forces or weapons. Often used in political or historical contexts. Compare 軍備拡張, which is more common.
See also: 軍備拡張
That country is proceeding with an expansion of its armaments.
軍備拡張 is the more common term for arms expansion. 軍備拡大 is a less frequent synonym.
Compound of 軍備 (military preparations) and 拡大 (expansion).