Blast blanket
SRI International, the US contrad research organisation - former known as Stanford Reseai 2 tute - has devised a hardensi luggage container to mitigate ON effect of a terrorist bomb blast on aircraft.
The 0.5 inches thick "blanket" is made of materials that can absoic bomb blast debris and fragment preventing damage to the aircraftc can withstand a three pound plastic explosives blast, equivalent to tic bomb that destroyed the Pan American flight near Scotland in 1985.