diff --git a/.gitignore b/.gitignore
index 7e8a087e9..b4a14078e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,4 +17,5 @@ install/
 
 # Drivers
 six/projects/csm/external/csm-master/
+six/projects/csm/external/csm-3.0.3/
 six/projects/csm/external/vts_301_0/
diff --git a/six/projects/csm/external/csm-3.0.3_2018.11.21.zip b/six/projects/csm/external/csm-3.0.3_2018.11.21.zip
new file mode 100644
index 000000000..3bf595b0c
Binary files /dev/null and b/six/projects/csm/external/csm-3.0.3_2018.11.21.zip differ
diff --git a/six/projects/csm/external/wscript b/six/projects/csm/external/wscript
index 5e5441ccf..b34fd9339 100644
--- a/six/projects/csm/external/wscript
+++ b/six/projects/csm/external/wscript
@@ -19,10 +19,13 @@ def configure(conf):
         if re.match(osxRegex,sys.platform) or (re.match(winRegex, sys.platform) and 'MSVC_VERSION' not in conf.env):
             Logs.warn('Disabling CSM as it is not supported on this platform')
         else:
-            # NOTE: This was downloaded from https://github.com/johnpdpkarp/csm on
-            #       2013.07.03.  Updates that occurred after the VTS release we got
-            #       from Leonard Tomko seem to still be considered CSM 3.0.1.
-            unzipper(os.path.join(conf.path.abspath(), 'csm-3.0.1_2013.07.03.zip'),
+            # NOTE: This was downloaded from
+            # https://github.com/sminster/csm/releases 2018.11.21.
+            if Options.options.csm_version == '3.0.3':
+                csmZipfile = 'csm-3.0.3_2018.11.21.zip'
+            else:
+                csmZipfile = 'csm-3.0.1_2013.07.03.zip'
+            unzipper(os.path.join(conf.path.abspath(), csmZipfile),
                      conf.path.abspath())
 
             # NOTE: Originally checked in the VTS zip file that was received from
@@ -34,11 +37,17 @@ def configure(conf):
             unzipper(os.path.join(conf.path.abspath(), 'vts_301_0.zip'),
                      conf.path.abspath())
             conf.env['HAVE_CSM'] = True
-            conf.env['INCLUDES_CSM'] = os.path.join(conf.path.abspath(), 'csm-master') 
+
+            if Options.options.csm_version == '3.0.3':
+                conf.env['INCLUDES_CSM'] = os.path.join(conf.path.abspath(), 'csm-3.0.3')
+                conf.env['CSM_DIR'] = 'csm-3.0.3'
+            else:
+                conf.env['INCLUDES_CSM'] = os.path.join(conf.path.abspath(), 'csm-master')
+                conf.env['CSM_DIR'] = 'csm-master'
 
 def build(bld):
     if 'HAVE_CSM' in bld.env:
-        csmDir = 'csm-master'
+        csmDir = bld.env['CSM_DIR']
         bld(features = 'cxx cshlib',
             target='CSMAPI', name='CSMAPI',
             includes='.',
@@ -61,7 +70,7 @@ def build(bld):
 
 def distclean(context):
     # remove the unzipped directory
-    dirs = filter(lambda x: os.path.exists(os.path.join(context.path.abspath(), x)), 
+    dirs = filter(lambda x: os.path.exists(os.path.join(context.path.abspath(), x)),
                   ['csm-master', 'vts_301_0'])
     for d in dirs:
         try:
diff --git a/six/projects/csm/wscript b/six/projects/csm/wscript
index 078c520d0..07faaa087 100644
--- a/six/projects/csm/wscript
+++ b/six/projects/csm/wscript
@@ -10,6 +10,9 @@ from waflib import Errors, Options
 DIRS = 'external'
 
 def options(opt):
+    opt.add_option('--csm-version', dest='csm_version',
+                   choices=['3.0.3', '3.0.1'], default='3.0.3',
+                   help='Choose verision of CSM to install')
     opt.recurse(DIRS)
 
 def configure(conf):
@@ -44,7 +47,10 @@ def configure(conf):
             raise Errors.WafError('Unsupported platform %s' % sys.platform)
 
         pluginVersion = '114'
-        csmVersion = '301'
+        if Options.options.csm_version == '3.0.3':
+            csmVersion = '303'
+        else:
+            csmVersion = '301'
         conf.env['SIX_CSM_PLATFORM_NAME'] = 'SIX_SAR_RADIANT-SOLUTIONS_' + pluginVersion + '_' + platformName + '_CSM' + csmVersion
 
 def build(bld):
@@ -63,21 +69,21 @@ def build(bld):
         else:
             modArgs['INCLUDES'] = ['include', bld.env['INCLUDES_CSM']]
         bld.plugin(**modArgs)
-    
+
         bld.program_helper(module_deps='six.sicd',
                                source='tests/test_sicd_csm.cpp',
                                use='CSMAPI',
                                name='test_sicd_csm')
-    
+
         bld.program_helper(module_deps='scene six.sidd',
                                source='tests/test_sidd_csm.cpp',
                                use='CSMAPI',
                                name='test_sidd_csm')
-    
-    
+
+
         # TODO: It seems like instead of this, I should be able to set
         #       modArgs['TARGETNAME'] to 'six-csm' and have that just be the
-        #       name of the target.  This works fine when building, but 
+        #       name of the target.  This works fine when building, but
         #       something about how 'waf list' and 'waf msvs' operate makes this
         #       not work right.
         bld(features='add_targets', target='six-csm',