diff --git a/core/helpers/__init__.py b/core/helpers/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/helpers/adonis.py b/core/helpers/adonis.py
new file mode 100644
index 0000000..e69de29
diff --git a/core/helpers/uploads.py b/core/helpers/uploads.py
new file mode 100644
index 0000000..8fcd31b
--- /dev/null
+++ b/core/helpers/uploads.py
@@ -0,0 +1,5 @@
+import uuid
+
+
+def get_upload_path(instance, filename):
+    return f"{str(uuid.uuid4)}/{filename}"
\ No newline at end of file
diff --git a/core/migrations/0009_delete_vesselalias.py b/core/migrations/0009_delete_vesselalias.py
new file mode 100644
index 0000000..1f8e381
--- /dev/null
+++ b/core/migrations/0009_delete_vesselalias.py
@@ -0,0 +1,16 @@
+# Generated by Django 4.1.1 on 2022-09-22 14:58
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0008_vesselalias'),
+    ]
+
+    operations = [
+        migrations.DeleteModel(
+            name='VesselAlias',
+        ),
+    ]
diff --git a/core/migrations/0010_course_crewmember_moodle_moodledatabase_and_more.py b/core/migrations/0010_course_crewmember_moodle_moodledatabase_and_more.py
new file mode 100644
index 0000000..3880672
--- /dev/null
+++ b/core/migrations/0010_course_crewmember_moodle_moodledatabase_and_more.py
@@ -0,0 +1,63 @@
+# Generated by Django 4.1.1 on 2022-09-22 15:22
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0009_delete_vesselalias'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Course',
+            fields=[
+                ('id', models.IntegerField(primary_key=True, serialize=False)),
+                ('title', models.CharField(max_length=256)),
+                ('shortcode', models.CharField(max_length=64)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='CrewMember',
+            fields=[
+                ('pin', models.IntegerField(primary_key=True, serialize=False)),
+                ('first_name', models.CharField(max_length=256)),
+                ('last_name', models.CharField(max_length=256)),
+                ('email', models.EmailField(max_length=254)),
+                ('dob', models.DateField()),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Moodle',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=64)),
+                ('url', models.URLField()),
+                ('monitor', models.BooleanField(default=True)),
+                ('backup', models.BooleanField(default=False)),
+                ('vessel', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='core.vessel')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='MoodleDatabase',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('host', models.CharField(max_length=256)),
+                ('username', models.CharField(max_length=256)),
+                ('password', models.CharField(max_length=256)),
+                ('database', models.CharField(default='moodle', max_length=256)),
+                ('instance', models.OneToOneField(on_delete=django.db.models.deletion.CASCADE, to='core.moodle')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='CourseAssignment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('course', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.course')),
+                ('crew', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.crewmember')),
+                ('instance', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='core.moodle')),
+            ],
+        ),
+    ]
diff --git a/core/migrations/0011_moodleplugin_replicationtarget_monitor_and_more.py b/core/migrations/0011_moodleplugin_replicationtarget_monitor_and_more.py
new file mode 100644
index 0000000..84d67c0
--- /dev/null
+++ b/core/migrations/0011_moodleplugin_replicationtarget_monitor_and_more.py
@@ -0,0 +1,36 @@
+# Generated by Django 4.1.1 on 2022-09-22 15:43
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0010_course_crewmember_moodle_moodledatabase_and_more'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='MoodlePlugin',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(max_length=128)),
+                ('section', models.CharField(max_length=16)),
+                ('current_version', models.IntegerField()),
+            ],
+        ),
+        migrations.AddField(
+            model_name='replicationtarget',
+            name='monitor',
+            field=models.BooleanField(default=True),
+        ),
+        migrations.CreateModel(
+            name='CourseAssignmentLog',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('assignment', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.courseassignment')),
+                ('instance', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.moodle')),
+            ],
+        ),
+    ]
diff --git a/core/models/__init__.py b/core/models/__init__.py
index 6575e53..096fc32 100644
--- a/core/models/__init__.py
+++ b/core/models/__init__.py
@@ -1,3 +1,6 @@
 from .auth import User, OTPSession
 from .vessel import Vessel
-from .replication import ReplicationFile, ReplicationFileLog, ReplicationSource, ReplicationTarget
\ No newline at end of file
+from .replication import ReplicationFile, ReplicationFileLog, ReplicationSource, ReplicationTarget
+from .course import Course
+from .crew import CrewMember
+from .moodle import Moodle, MoodleDatabase
\ No newline at end of file
diff --git a/core/models/course.py b/core/models/course.py
index 2d30f7d..b435dd6 100644
--- a/core/models/course.py
+++ b/core/models/course.py
@@ -1,3 +1,6 @@
+from django.db import models
+
+
 class Course(models.Model):
     id = models.IntegerField(primary_key=True)
     title = models.CharField(max_length=256)
diff --git a/core/models/crew.py b/core/models/crew.py
index f6796fa..d70100f 100644
--- a/core/models/crew.py
+++ b/core/models/crew.py
@@ -1,7 +1,7 @@
 from django.db import models
+from django.utils import timezone
 
-from .course import Course
-from .vessel import Vessel
+from ..helpers.uploads import get_upload_path
 
 
 class CrewMember(models.Model):
@@ -11,8 +11,14 @@ class CrewMember(models.Model):
     email = models.EmailField()
     dob = models.DateField()
 
+    profile_picture = models.ImageField(upload_to=get_upload_path)
 
-class CourseAssignment(models.Model):
-    crew = models.ForeignKey(CrewMember, models.CASCADE)
-    course = models.ForeignKey(Course, models.CASCADE)
-    vessel = models.ForeignKey(Vessel, models.CASCADE, null=True)
+    expiry = models.DateTimeField(null=True, blank=True)
+
+    @classmethod
+    def get_or_import(cls, pin):
+        try:
+            found = cls.objects.get(pin=pin)
+
+            if found.expiry and found.expiry < timezone.now():
+                pass
\ No newline at end of file
diff --git a/core/models/moodle.py b/core/models/moodle.py
new file mode 100644
index 0000000..1acf3c4
--- /dev/null
+++ b/core/models/moodle.py
@@ -0,0 +1,41 @@
+from django.db import models
+from django import forms
+
+from .vessel import Vessel
+from .crew import CrewMember
+from .course import Course
+
+
+class Moodle(models.Model):
+    vessel = models.OneToOneField(Vessel, models.CASCADE)
+    name = models.CharField(max_length=Vessel.name.field.max_length)
+    url = models.URLField()
+
+    monitor = models.BooleanField(default=True)
+    backup = models.BooleanField(default=False)
+
+
+class MoodleDatabase(models.Model):
+    instance = models.OneToOneField(Moodle, models.CASCADE)
+    host = models.CharField(max_length=256)
+    username = models.CharField(max_length=256)
+    password = models.CharField(max_length=256)
+    database = models.CharField(max_length=256, default="moodle")
+
+
+class MoodlePlugin(models.Model):
+    name = models.CharField(max_length=128)
+    section = models.CharField(max_length=16)
+    current_version = models.IntegerField()
+
+
+class CourseAssignment(models.Model):
+    crew = models.ForeignKey(CrewMember, models.CASCADE)
+    course = models.ForeignKey(Course, models.CASCADE)
+    instance = models.ForeignKey(Moodle, models.CASCADE, null=True)
+
+
+class CourseAssignmentLog(models.Model):
+    assignment = models.ForeignKey(CourseAssignment, models.CASCADE)
+    instance = models.ForeignKey(Moodle, models.CASCADE)
+    timestamp = models.DateTimeField(auto_now_add=True)
\ No newline at end of file
diff --git a/core/models/replication.py b/core/models/replication.py
index 2536b89..f38dc55 100644
--- a/core/models/replication.py
+++ b/core/models/replication.py
@@ -26,6 +26,7 @@ class ReplicationTarget(models.Model):
     name = models.CharField(max_length=128)
     address = models.CharField(max_length=256)
     username = models.CharField(max_length=64, default=getuser(), null=True, blank=True)
+    monitor = models.BooleanField(default=True)
 
     def to_vessel(self, dbclass=None) -> Vessel:
         return Vessel(name, address, username, dbclass=ContentMonsterDatabase)
diff --git a/core/models/vessel.py b/core/models/vessel.py
index 7073128..4e487b6 100644
--- a/core/models/vessel.py
+++ b/core/models/vessel.py
@@ -50,8 +50,3 @@ class Vessel(models.Model):
             pass
 
         return ship
-
-
-class VesselAlias(models.Model):
-    vessel = models.ForeignKey(Vessel, models.CASCADE)
-    alias = models.CharField(max_length=64)
diff --git a/templates/core/admin/replication_targets_list.html b/templates/core/admin/replication_targets_list.html
index 093cc79..f17e32f 100644
--- a/templates/core/admin/replication_targets_list.html
+++ b/templates/core/admin/replication_targets_list.html
@@ -13,7 +13,7 @@
         <h3 class="card-title">List of Replication Targets</h3>
         <div class="card-tools">
             <ul class="pagination pagination-sm float-right">
-                <a href="{% url " core:admin_replication_targets_create" %}" class="btn btn-success"><i
+                <a href="{% url "core:admin_replication_targets_create" %}" class="btn btn-success"><i
                         class="fas fa-plus"></i> New Replication Target</a>
             </ul>
         </div>