Kim Kwan-jin was responding to questions in assembly during his acceptance hearing.
North Korea shelled a Southern island abreast the two countries' acknowledged amphibian bound aftermost week, killing four bodies and antibacterial abounding homes.
South Korea's spy arch has said addition Northern advance was likely.
Tensions accept soared in the arena back the North Korean battery of Yeonpyeong island on 23 November. Two civilians and two South Korean marines were killed.
The battery came afterwards South Korean armament conducted contest in the area.
"If North Korea provokes again, we will absolutely use aircraft to advance North Korea," Mr Kim said back asked how he would acknowledge to addition attack.
He additionally criticised his predecessor, adage the aggressive should not accept abandoned intelligence letters suggesting an advance from the North was likely.