romeo tango zulu, acknowledged. we are assuming position.
air force one, you're losing altitude.
tower, romeo tango zulu. the first lady is onboard. air force one, status?
sir, we're going to pound pavement in less than three minutes.
tower. air force one is down.
stand by.
we copy. stand by.  tower?
this is romeo tango zulu changing call signs. tower, alert air traffic, romeo tango zulu is now air force one. this is air force one.  the president is safe onboard.