money for trips on private jets. cnn has learned it doesn't stop there. an air force official says price also took military aircraft for two multi-stop international trips earlier this year, racking up a $500,000 bill according to politico. those overseas trips, which the white house approved, bringing the total cost of price's travel to over $1 million. >> wi heae heard the concern an critici criticism. >> reporter: price pledging on thursday to pay back a portion of the totalling. riting a check for 51 t$51,887.. >> to pay for my portion of those trips. this is unprecedented. >> reporter: the white house releasing a statement on thursday defending his travel on aircraft insisting sometimes