The 8 x RP-3 (60lb unguided air-to-ground Rockets) and the rocket rails :
And here some real life footage of those RP-3 rockets been mounted on the Hawker Typhoon.
(ripped this from my D-Day Encyclopedia CD-ROM)
http://rapidshare.com/files/154395298/A016V01.AVI.html
HunterICX