Does 'At 8:28, Boston Center called the Command Center in Herndon to advise that it believed American 11 had been hijacked and was heading toward New York Center's airspace.' hold a position of neutrality in relation to 'Houston Center called the Command center in Herndon.'
At 8:28, Boston Center called the Command Center in Herndon to advise that it believed American 11 had been hijacked and was heading toward New York Center's airspace.###Houston Center called the Command center in Herndon.