noun which may take the genitive case particle 'no'
air-to-surface
Military/aviation term describing weapons or systems launched from aircraft against ground or sea targets.
The air-to-surface missile destroyed the target.
地対空 means 'surface-to-air', referring to weapons fired from the ground at aircraft.
air-to-surface missile; ASM
Compound of 空 (kuu, 'air') + 対 (tai, 'versus') + 地 (chi, 'ground/surface'), following the pattern of similar military terms.