Its a mod of the Damage Zones in the SH3 ships, planes and subs... available at U-boot.RealSimulation.com... it 'enhances' the dramatic effects of otherwise dull catatroshophic explosions for more 'sensational' appeal.. i.e. 'Hollywood' style
There are different versions.. I have the reallly-over-the-top version... where, when something explodes, not only are the flames 10 times bigger'n'better, but dozens of little guys go shootin out all over the place... along with with a dumptruck load of shrapnel...
So, when a plane a explodes in mid-air, I see a nice'n'big fireball... lotsa smoke.. and tons of debris come rainin down, including a little pilot-guy waving his arms and legs all over the place... I call him the 'stunt-man'...
Turns a ho-hum shoot down into a major studio production... I highly recommend it..
Cordialement, Duke of Earl