5 5 ▁m ). ▁ ▁It ▁has ▁a ▁full ▁length ▁parallel ▁tax i way ▁and ▁other ▁tax i ways ▁leading ▁to ▁hang ars . ▁ ▁Earth ▁re vet ments ▁are ▁located ▁along ▁the ▁parallel ▁tax i way . ▁ ▁Some ▁aer onaut ical ▁charts ▁show ▁a ▁second ▁north - s outh ▁run way ; ▁however ▁it ▁may ▁just ▁be ▁a ▁tax i way . ▁ ▁Miss ile ▁Base ▁▁ ▁In ▁December ▁ 2 0 1 6 , ▁U . S . ▁anal yst s ▁reported ▁that ▁a ▁miss ile ▁base ▁had ▁been ▁constructed ▁approximately ▁ 1 3 ▁miles ▁from ▁the ▁air port , ▁and ▁was ▁possibly ▁the ▁site ▁for ▁H was ong - 1 0 ▁miss iles ▁tests ▁in ▁October . ▁It ▁is ▁also ▁the ▁site ▁of ▁North ▁Korea ' s ▁first ▁successful ▁test - launch ▁of ▁the ▁H was ong - 1 4 , ▁the ▁country ' s ▁first ▁inter cont inental ▁ball istic ▁miss ile , ▁on ▁July ▁ 4 , ▁ 2 0 1 7 . ▁ ▁References ▁▁ ▁Category : A ir ports ▁in ▁North ▁Korea ▁Category : N orth ▁Py ong an <0x0A> </s> ▁Catherine ▁R ingen ▁is ▁an ▁American ▁ph on ologist ▁and ▁professor ▁emer ita ▁of ▁lingu istics ▁at ▁the ▁University ▁of ▁Iowa . ▁She ▁is ▁best ▁known ▁for ▁her ▁research ▁on ▁v owel ▁harm ony , ▁especially ▁in ▁Fin no - U gr ic ▁languages , ▁and ▁on ▁l ary n ge al ▁contrast s ▁in ▁ob stru ents , ▁in ▁particular ▁in ▁German ic