Belgium officials ran a simulation Tuesday at Brussels' Zaventem Airport to figure out if it can at least partially reopen using new security measures demanded by the government.
It's been a week since the March 22 suicide bombings at the airport and on a subway several miles away. Since then, no commercial flights have gone in or out of this European capital and it's unclear when air traffic will resume.
Parts of the Brussels subway have reopened, though soldiers wearing camouflage and armed with assault weapons conduct random security checks that include patdowns and bag searches.