There is a significant flaw in this entire line of thought  The P is still being used to a greater extent today by air show pilots than it EVER was by the Dominican Republic  Therefore its  or present  If you argue against using  then you must also argue against using  unless as I said its not an absolute date were looking for The Confederate Air Force operates Ps on a regular basis as do several other private organizations and individuals Therefore there is going to be an astrics on ANY date we put in there it might as well be a significant date Therefore using your arbitrary logic Im going to put present on there and see if that flies