There are two versions of NO RETREAT NO SURRENDER out there. I don't know what the US version is like, but I have seen both the UK & Australian versions. The UK version adds a scene where Jason & Kelly go up to the top of the Space Needle in Seattle but delete a few others of which I forget.
The Australian one subtitled: "Complete and Uncut version" contains everything except for this scene where Jason & Kelly are at the Space Needle. The soundtrack is also different between the two.
The British one has a slow version of the title song and try-hard oriental music, whereas the Australian one has a mainly synthesizer try-hard "BEVERLEY HILLS COP
" style of music and an excellent version of the title track whatever its called "Hold on to that vision in your eyes". The SILVA Screen CD has the UK version music as I bought it excitedly hoping it was the AUS version, how disappointed I was!
If you have a choice between the two go the Aussie version (hopefully this is the same as the US one, if not the rest of the world is missing out on a classic film soundtrack).
Update: John wrote in to say that the US and Australian versions run over 10 minutes longer than the UK version. The US and Australian version has one rock tune called 'Hold on to that Vision' by Kevin Chalfont, but the rest of the music and sound effects are just generic tones and other sounds taken from 70s kung-fu movies, which is just awful.
The UK version was edited and rescored in 1986 for the UK audience adding a more rock orientated score and changing the main tune to Joe Torono's - 'Stand on Your Own'.
Now, I love the Kevin Chalfont song, but one song is not enough for a movie. The scene where Scott saves his dad is a good example of how a good score can lift a scene and the UK version's is way better.
The end fight in the UK version also has all the crappy bits taken out, like the Bruce Lee spliced memory segments which utterly slow the pacing.