noun
close air support
Military term for air action against hostile targets in close proximity to friendly forces, requiring detailed integration with ground movements.
近接航空支援は地上部隊と緊密に連携して行われる。
Close air support is conducted in close coordination with ground forces.
Compound of 近接 (close proximity) + 航空 (aviation) + 支援 (support), a direct translation of the English military term 'close air support'.