Andrews had heard the echo of the explosion drift across the wasteland
and new that was something to do with the kid.
No sooner had he heard them, Lukas appeared again out of nowhere.
Andrews seeing that Lukas was fine if not cut and bruised he
called in for a chopper and another team to go over to the site of the
explosion and check what was left and anything of use clues to were they
could have gone, also any alien equipment that could be modified and
used.