noun
arms buildup; military expansion
Refers to the strengthening or expansion of a country's military capabilities, often in a political or strategic context.
隣国の軍備増強が国際的な懸念を呼んでいる。
The neighboring country's arms buildup is raising international concern.
軍拡 is an abbreviation of 軍備拡張, which is similar to 軍備増強 but often used in the context of an arms race (軍拡競争). 軍備増強 is a more general term for strengthening military forces.
Compound of 軍備 (military preparedness) and 増強 (strengthening, reinforcement).