Assertion: division | /r/CapableOf | end the 77-day siege
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text: As these two elite enemy divisions, with history at Dien Bien Phu and the Ia Drang Valley, depleted, the Division leapfrogged west, clearing Route 9, until at 0:800 hours 8 April, the 2nd Battalion, 7th Cavalry, linked-up with Marines at the combat base, ending the 77-day siege.