# 1 nav1.wav Reached navigation point 1 
# 2 nav2.wav Reached navigation point 2
# 3 nav3.wav Reached navigation point 3
# 11 5_1.wav You're flying in the wrong direction!
# 12 5_2.wav Turn around immediately! That's an order! 
# 13 5_3.wav You've come up on the enemy radar!  The mission has failed! 
# 14 5_4.wav Intensified enemy ground unit movement has been registered.
# 15 5_5.wav This area is patrolled by enemy combat helicopters.
# 16 5_6.wav Intensified tank movements in this area.
# 17 5_7.wav Destroy the chemical factory!
# 18 5_8.wav Be careful in this region.
# 19 5_9.wav Destroy both radar installations.


