Correct

调防

/ diàofáng / 
Strokes

Definition

to relieve a garrison

Example

As a Verb

relieve/transfer a garrison

1
Tā
他
suǒzài
所在
de
的
bùduì
部队
mǎshàng
马上
jiùyào
就要
diào
调
fáng
防
  
。

The army unit he is in will soon be transferred.