_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (_ _ _ _ _ _ _ _ _ _ _ _ ) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .
t_ e a_ r b_ _ _ _ e m_ _ _ _ _ r b_ _ _ e a_ d t_ e w_ _ _ _ _ s d_ _ _ _ _ _ r b_ _ _ e a_ e t_ o a_ r f_ _ _ e b_ _ _ _ s w_ _ _ h a_ e a_ _ _ _ _ _ _ _ d f_ r o_ _ _ _ _ r a_ d e_ _ _ _ _ _ d p_ _ _ _ _ _ _ l (_ _ _ _ _ _ _ _ _ _ _ _ ) a_ _ _ _ _ _ d to e_ 3 a_ _ _ _ _ _ t or s_ _ _ _ _ r c3 f_ _ _ _ _ _ _ s c_ _ _ _ _ d o_ t on g_ _ _ _ d r_ _ _ r s_ _ _ _ _ _ .
the air ba_ _ _ e ma_ _ _ _ r ba_ _ e and the we_ _ _ _ s di_ _ _ _ _ r ba_ _ e are two air fo_ _ e ba_ _ _ s wh_ _ h are au_ _ _ _ _ _ _ d for of_ _ _ _ r and en_ _ _ _ _ d pe_ _ _ _ _ _ l (r_ _ _ _ _ _ _ _ _ _ _ ) as_ _ _ _ _ d to e-3 ai_ _ _ _ _ t or si_ _ _ _ r c3 fu_ _ _ _ _ _ s ca_ _ _ _ d out on gr_ _ _ d ra_ _ r sy_ _ _ _ _ .