diff --git a/ChangeLog b/ChangeLog
index 6b4d8858..ea7da7b0 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+27/02/2008
+
+add sounds/nthompson - replacement rocket launch and explosion.
+
 24/02/2008
 
 Replace texture definitions in combined.txt with new ones, created in a
diff --git a/sounds/nthompson/dsbarexp.wav b/sounds/nthompson/dsbarexp.wav
new file mode 100644
index 00000000..e5578ef5
Binary files /dev/null and b/sounds/nthompson/dsbarexp.wav differ
diff --git a/sounds/nthompson/dsrlaunc.wav b/sounds/nthompson/dsrlaunc.wav
new file mode 100644
index 00000000..ca23e732
Binary files /dev/null and b/sounds/nthompson/dsrlaunc.wav differ
diff --git a/sounds/nthompson/license.txt b/sounds/nthompson/license.txt
new file mode 100644
index 00000000..ade6a275
--- /dev/null
+++ b/sounds/nthompson/license.txt
@@ -0,0 +1,20 @@
+These sounds were obtained from
+
+	<http://freesound.iua.upf.edu/samplesViewSingle.php?id=47251>
+	<http://freesound.iua.upf.edu/samplesViewSingle.php?id=47252>
+
+via forum thread
+<http://www.doomworld.com/vb/freedoom/42119-freedoom-0-6-rc2-was-rc1/>.
+
+The freedoom license was adapted for them, as per this message by the author,
+"muffins.exe":
+
+	I am the original author of these sounds and I release them under the
+	Modified BSD license.
+
+	What? :)
+
+original URL: 
+<http://www.doomworld.com/vb/post/704866>
+
+Downsampled to 11025Hz by Jon Dowland.