Can anyone tell me about this aircraft what was it use for armments ect.
Ah, a fellow Texan!
I’m down in San Antonio.
See:http://www.globalaircraft.org/planes/p-61_black_widow.pl#top
Not a lot of info but some you might be interested in.
Another: (I know, it’s Wikipedia, but it’s off the top of my head.)
http://en.wikipedia.org/wiki/P-61_Black_Widow