Yǎnxí zhōng, fēixíngyuán jìnxíng le kōngduìdì gōngjī xùnliàn.
During the exercise the pilots practiced air-to-ground attacks.
Tips
usage
Always placed before a noun, in a family named by where the weapon starts and where it hits: 空对地 'air-to-surface', 地对空 'surface-to-air', 空对空 'air-to-air' and 地对地 'surface-to-surface'.
