Yup, I've seen a tape of a test on TLC or Discovery.  They flew a radio
controled F4 Phantom into a test wall!
Chad Fernandez
Michigan, USA
Sipke de Wal wrote:
 Back in the sixties/seventies, the US authorities were afraid that
 it could be done on a nuclear powerplant. It seems the designed
 the containmenthull of nuclear powerplants to resist such an event.
 Sipke de Wal