diff --git a/app/Events/UserStateChanged.php b/app/Events/UserStateChanged.php
index 7fa78985..ef251e00 100644
--- a/app/Events/UserStateChanged.php
+++ b/app/Events/UserStateChanged.php
@@ -7,14 +7,19 @@ use Illuminate\Queue\SerializesModels;
 use Illuminate\Foundation\Events\Dispatchable;
 use Illuminate\Broadcasting\InteractsWithSockets;
 
+/**
+ * Event triggered when a user's state changes
+ * @package App\Events
+ */
 class UserStateChanged
 {
     use Dispatchable, InteractsWithSockets, SerializesModels;
 
-    public $user;
+    public $old_state, $user;
 
-    public function __construct(User $user)
+    public function __construct(User $user, $old_state)
     {
+        $this->old_state = $old_state;
         $this->user = $user;
     }
 }
diff --git a/app/Events/UserStatsChanged.php b/app/Events/UserStatsChanged.php
new file mode 100644
index 00000000..9c5cf973
--- /dev/null
+++ b/app/Events/UserStatsChanged.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Events;
+
+use App\Models\User;
+use Illuminate\Queue\SerializesModels;
+use Illuminate\Foundation\Events\Dispatchable;
+use Illuminate\Broadcasting\InteractsWithSockets;
+
+class UserStatsChanged
+{
+    use Dispatchable, InteractsWithSockets, SerializesModels;
+
+    public $stat_name,
+           $old_value,
+           $user;
+
+    /*
+     * When a user's stats change. Stats changed match the field name:
+     *      flights
+     *      rank
+     */
+    public function __construct(User $user, $stat_name, $old_value)
+    {
+        $this->user = $user;
+        $this->stat_name = $stat_name;
+        $this->old_value = $old_value;
+    }
+}
diff --git a/app/Http/Controllers/Admin/UserController.php b/app/Http/Controllers/Admin/UserController.php
index ab987ca4..16cdb09e 100644
--- a/app/Http/Controllers/Admin/UserController.php
+++ b/app/Http/Controllers/Admin/UserController.php
@@ -2,26 +2,29 @@
 
 namespace App\Http\Controllers\Admin;
 
+use DB;
+use Hash;
+use Log;
+use Flash;
+use Response;
+use Jackiedo\Timezonelist\Facades\Timezonelist;
+use Illuminate\Http\Request;
+
 use App\Http\Requests\CreateUserRequest;
 use App\Http\Requests\UpdateUserRequest;
 use App\Repositories\UserRepository;
-use DB;
-use Hash;
-use Illuminate\Http\Request;
-use Flash;
-use Jackiedo\Timezonelist\Facades\Timezonelist;
-use Response;
+use App\Services\UserService;
 
 use App\Models\Airport;
 use App\Models\Airline;
 use App\Models\Rank;
 use App\Models\Role;
 
-
 class UserController extends BaseController
 {
     /** @var  UserRepository */
-    private $userRepo;
+    private $userRepo,
+            $userSvc;
 
     /**
      * UserController constructor.
@@ -29,18 +32,18 @@ class UserController extends BaseController
      * @param UserRepository $userRepo
      */
     public function __construct(
-        UserRepository $userRepo
+        UserRepository $userRepo,
+        UserService $userSvc
     ) {
+        $this->userSvc = $userSvc;
         $this->userRepo = $userRepo;
     }
 
     public function index(Request $request)
     {
-        $users = $this->userRepo->searchCriteria($request, false)->paginate();
-        /*$this->userRepo->pushCriteria(new RequestCriteria($request));
-        $users = $this->userRepo
+        $users = $this->userRepo->searchCriteria($request, false)
                       ->orderBy('created_at', 'desc')
-                      ->paginate();*/
+                      ->paginate();
 
         return view('admin.users.index', [
             'users' => $users,
@@ -146,8 +149,15 @@ class UserController extends BaseController
             $req_data['password'] = Hash::make($req_data['password']);
         }
 
+        $original_user_state = $user->state;
+
         $user = $this->userRepo->update($req_data, $id);
 
+        if($original_user_state !== $user->state) {
+            $this->userSvc->changeUserState($user, $original_user_state);
+        }
+
+        # Delete all of the roles and then re-attach the valid ones
         DB::table('role_user')->where('user_id',$id)->delete();
         foreach ($request->input('roles') as $key => $value) {
             $user->attachRole($value);
diff --git a/app/Listeners/EmailEventListener.php b/app/Listeners/EmailEventListener.php
index c61f2471..a652d5ef 100644
--- a/app/Listeners/EmailEventListener.php
+++ b/app/Listeners/EmailEventListener.php
@@ -2,6 +2,7 @@
 
 namespace App\Listeners;
 
+use App\Events\UserStateChanged;
 use Log;
 use Illuminate\Support\Facades\Mail;
 
@@ -34,10 +35,45 @@ class EmailEventListener
                   . ', sending active email');
 
         if($event->user->state === PilotState::ACTIVE) {
-            Mail::to($event->user->email)->send(new \App\Mail\UserRegistered($event->user));
+            $email = new \App\Mail\UserRegistered(
+                $event->user,
+                'Welcome to ' . config('app.name') . '!'
+            );
+
+            Mail::to($event->user->email)->send($email);
         } else if($event->user->state === PilotState::PENDING) {
             Mail::to($event->user->email)->send(new \App\Mail\UserPending($event->user));
         }
     }
 
+    /**
+     * When a user's state changes, send an email out
+     * @param UserStateChanged $event
+     */
+    public function onUserStateChange(UserStateChanged $event)
+    {
+        if ($event->old_state === PilotState::PENDING) {
+            if ($event->user->state === PilotState::ACTIVE)
+            {
+                $email = new \App\Mail\UserRegistered(
+                    $event->user,
+                    'Your registration has been accepted!'
+                );
+
+                Mail::to($event->user->email)->send($email);
+            }
+
+            else if ($event->user->state === PilotState::REJECTED)
+            {
+                $email = new \App\Mail\UserRejected($event->user);
+                Mail::to($event->user->email)->send($email);
+            }
+        }
+
+        # TODO: Other state transitions
+        elseif ($event->old_state === PilotState::ACTIVE)
+        {
+
+        }
+    }
 }
diff --git a/app/Mail/UserPending.php b/app/Mail/UserPending.php
index fc6adf8a..5b93d803 100644
--- a/app/Mail/UserPending.php
+++ b/app/Mail/UserPending.php
@@ -3,30 +3,27 @@
 namespace App\Mail;
 
 use App\Models\User;
-use Illuminate\Bus\Queueable;
 use Illuminate\Mail\Mailable;
+use Illuminate\Bus\Queueable;
 use Illuminate\Queue\SerializesModels;
-use Illuminate\Contracts\Queue\ShouldQueue;
 
 class UserPending extends Mailable
 {
     use Queueable, SerializesModels;
 
-    private $user;
+    private $subject,
+            $user;
 
-    public function __construct(User $user)
+    public function __construct(User $user, $subject=null)
     {
+        $this->subject = $subject ?: 'Your registration is pending!';
         $this->user = $user;
     }
 
-    /**
-     * Build the message.
-     *
-     * @return $this
-     */
     public function build()
     {
         return $this->markdown('emails.user.pending')
+                    ->subject($this->subject)
                     ->with(['user' => $this->user]);
     }
 }
diff --git a/app/Mail/UserRegistered.php b/app/Mail/UserRegistered.php
index 9f0b2474..8d2b1560 100644
--- a/app/Mail/UserRegistered.php
+++ b/app/Mail/UserRegistered.php
@@ -12,23 +12,19 @@ class UserRegistered extends Mailable
 {
     use Queueable, SerializesModels;
 
-    private $user;
+    private $subject,
+            $user;
 
-    public function __construct(User $user)
+    public function __construct(User $user, $subject=null)
     {
+        $this->subject = $subject;
         $this->user = $user;
     }
 
-    /**
-     * Build the message.
-     *
-     * @return $this
-     */
     public function build()
     {
         return $this->markdown('emails.user.registered')
-            ->with([
-                'user' => $this->user,
-            ]);
+                    ->subject($this->subject)
+                    ->with(['user' => $this->user]);
     }
 }
diff --git a/app/Mail/UserRejected.php b/app/Mail/UserRejected.php
new file mode 100644
index 00000000..316702d3
--- /dev/null
+++ b/app/Mail/UserRejected.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace App\Mail;
+
+use App\Models\User;
+use Illuminate\Bus\Queueable;
+use Illuminate\Mail\Mailable;
+use Illuminate\Queue\SerializesModels;
+
+class UserRejected extends Mailable
+{
+    use Queueable, SerializesModels;
+
+    private $subject,
+            $user;
+
+    public function __construct(User $user, $subject=null)
+    {
+        $this->subject = $subject ?: 'Your registration has been denied';
+        $this->user = $user;
+    }
+
+    public function build()
+    {
+        return $this->markdown('emails.user.rejected')
+                    ->subject($this->subject)
+                    ->with(['user' => $this->user]);
+    }
+}
diff --git a/app/Models/Enums/EnumBase.php b/app/Models/Enums/EnumBase.php
index 0f4c0e27..e09ce685 100644
--- a/app/Models/Enums/EnumBase.php
+++ b/app/Models/Enums/EnumBase.php
@@ -12,7 +12,6 @@ namespace App\Models\Enums;
 /**
  * Class EnumBase
  * @package App\Models\Enums
- * TODO: Implement lang translations for enum labels
  */
 class EnumBase
 {
@@ -29,4 +28,17 @@ class EnumBase
             return trans(static::$labels[$value]);
         }
     }
+
+    /**
+     * Return all of the (translated) labels
+     */
+    public static function labels()
+    {
+        $labels = [];
+        foreach(static::$labels as $key => $label) {
+            $labels[$key] = trans($label);
+        }
+
+        return $labels;
+    }
 }
diff --git a/app/Models/User.php b/app/Models/User.php
index c0ccc21a..5b602a02 100755
--- a/app/Models/User.php
+++ b/app/Models/User.php
@@ -57,6 +57,10 @@ class User extends Authenticatable
         'balance'       => 'double',
     ];
 
+    public static $rules = [
+
+    ];
+
     public function getPilotIdAttribute($value)
     {
         $length = setting('pilots.id_length');
diff --git a/app/Services/PIREPService.php b/app/Services/PIREPService.php
index 8fc36e95..a4d2770d 100644
--- a/app/Services/PIREPService.php
+++ b/app/Services/PIREPService.php
@@ -10,7 +10,7 @@ use App\Models\PirepFieldValues;
 use App\Events\PirepAccepted;
 use App\Events\PirepFiled;
 use App\Events\PirepRejected;
-use App\Events\UserStateChanged;
+use App\Events\UserStatsChanged;
 
 use App\Repositories\PirepRepository;
 use Log;
@@ -202,6 +202,6 @@ class PIREPService extends BaseService
         $pilot->last_pirep_id = $pirep->id;
         $pilot->save();
 
-        event(new UserStateChanged($pilot));
+        event(new UserStatsChanged($pilot));
     }
 }
diff --git a/app/Services/UserService.php b/app/Services/UserService.php
index 5c758b25..7fb153b2 100644
--- a/app/Services/UserService.php
+++ b/app/Services/UserService.php
@@ -2,23 +2,20 @@
 
 namespace App\Services;
 
-use App\Events\UserRegistered;
 use App\Facades\Utils;
-use App\Models\Enums\PilotState;
 use App\Models\User;
 use App\Models\Rank;
 use App\Models\Role;
-
+use App\Events\UserRegistered;
 use App\Events\UserStateChanged;
-
-use Illuminate\Support\Facades\Cache;
-use Illuminate\Support\Facades\Hash;
+use App\Events\UserStatsChanged;
+use App\Models\Enums\PilotState;
 
 class UserService extends BaseService
 {
-
     /**
-     * Register a pilot
+     * Register a pilot. Also attaches the initial roles
+     * required, and then triggers the UserRegistered event
      * @param User $user
      * @return mixed
      */
@@ -37,7 +34,7 @@ class UserService extends BaseService
         $role = Role::where('name', 'user')->first();
         $user->attachRole($role);
 
-        # Let's check their rank
+        # Let's check their rank and where they should start
         $this->calculatePilotRank($user);
 
         $user->refresh();
@@ -47,35 +44,76 @@ class UserService extends BaseService
         return $user;
     }
 
+    /**
+     * Change the user's state. PENDING to ACCEPTED, etc
+     * Send out an email
+     * @param User $user
+     * @param $old_state
+     * @return User
+     */
+    public function changeUserState(User $user, $old_state): User
+    {
+        if($user->state === $old_state) {
+            return;
+        }
+
+        Log::info('User ' . $user->pilot_id . ' state changing from '
+                  . PilotState::label($old_state) . ' to '
+                  . PilotState::label($user->state));
+
+        event(new UserStateChanged($user, $old_state));
+    }
+
+    /**
+     * Adjust the number of flights a user has. Triggers
+     * UserStatsChanged event
+     * @param User $user
+     * @param int $count
+     * @return User
+     */
     public function adjustFlightCount(User $user, int $count): User
     {
         $user->refresh();
+        $old_value = $user->flights;
         $user->flights += $count;
         $user->save();
 
-        event(new UserStateChanged($user));
+        event(new UserStatsChanged($user, 'flights', $old_value));
 
         return $user;
     }
 
+    /**
+     * Update a user's flight times
+     * @param User $user
+     * @param int $minutes
+     * @return User
+     */
     public function adjustFlightTime(User $user, int $minutes): User
     {
         $user->refresh();
         $user->flight_time += $minutes;
         $user->save();
 
-        event(new UserStateChanged($user));
-
         return $user;
     }
 
+
+    /**
+     * See if a pilot's rank has change. Triggers the UserStatsChanged event
+     * @param User $user
+     * @return User
+     */
     public function calculatePilotRank(User $user): User
     {
         $user->refresh();
+        $old_rank = $user->rank;
+        $original_rank_id = $user->rank_id;
         $pilot_hours = Utils::minutesToHours($user->flight_time);
 
         # TODO: Cache
-        $ranks = Rank::where('auto_promote', true)->orderBy('hours', 'asc')->get();
+        $ranks = Rank::where('auto_promote', true)
+                    ->orderBy('hours', 'asc')->get();
 
         foreach ($ranks as $rank) {
             if($rank->hours > $pilot_hours) {
@@ -85,10 +123,23 @@ class UserService extends BaseService
             }
         }
 
-        $user->save();
-
-        event(new UserStateChanged($user));
+        // Only trigger the event/update if there's been a change
+        if($user->rank_id !== $original_rank_id) {
+            $user->save();
+            $user->refresh();
+            event(new UserStatsChanged($user, 'rank', $old_rank));
+        }
 
         return $user;
     }
+
+    /**
+     * Recount/update all of the stats for a user
+     * @param User $user
+     * @return User
+     */
+    public function recalculateStats(User $user): User
+    {
+        return $user;
+    }
 }
diff --git a/resources/views/admin/users/fields.blade.php b/resources/views/admin/users/fields.blade.php
index ec846561..a8c19507 100644
--- a/resources/views/admin/users/fields.blade.php
+++ b/resources/views/admin/users/fields.blade.php
@@ -50,10 +50,9 @@
 
 <div class="row">
     <div class="form-group col-sm-6">
-        {!! Form::label('active', 'Active:') !!}
+        {!! Form::label('state', 'State:') !!}
         <label class="checkbox-inline">
-            {!! Form::hidden('active', 0, false) !!}
-            {!! Form::checkbox('active', 1, null) !!}
+            {!! Form::select('state', PilotState::labels(), null, ['class' => 'form-control select2']) !!}
         </label>
     </div>
 
diff --git a/resources/views/admin/users/index.blade.php b/resources/views/admin/users/index.blade.php
index a6de4a69..b290cdbb 100644
--- a/resources/views/admin/users/index.blade.php
+++ b/resources/views/admin/users/index.blade.php
@@ -3,7 +3,7 @@
 @section('title', 'Users')
 @section('actions')
     <li><a href="{!! route('admin.users.index') !!}?search=state:0">
-            <i class="ti-plus"></i>{!! PilotState::label(PilotState::PENDING) !!}</a>
+            <i class="ti-user"></i>{!! PilotState::label(PilotState::PENDING) !!}</a>
     </li>
 @endsection
 
diff --git a/resources/views/emails/user/pending.blade.php b/resources/views/emails/user/pending.blade.php
index 4c46d36b..e5614b95 100644
--- a/resources/views/emails/user/pending.blade.php
+++ b/resources/views/emails/user/pending.blade.php
@@ -4,5 +4,5 @@
 You will be notified as soon as your account is approved!
 
 Thanks,<br>
-{{ config('app.name') }}
+Management, {{ config('app.name') }}
 @endcomponent
diff --git a/resources/views/emails/user/registered.blade.php b/resources/views/emails/user/registered.blade.php
index 2e00c8db..7b291eeb 100644
--- a/resources/views/emails/user/registered.blade.php
+++ b/resources/views/emails/user/registered.blade.php
@@ -8,5 +8,5 @@ Visit your account now!
 @endcomponent
 
 Thanks,<br>
-{{ config('app.name') }}
+Management, {{ config('app.name') }}
 @endcomponent
diff --git a/resources/views/emails/user/rejected.blade.php b/resources/views/emails/user/rejected.blade.php
new file mode 100644
index 00000000..cf77cf7b
--- /dev/null
+++ b/resources/views/emails/user/rejected.blade.php
@@ -0,0 +1,9 @@
+@component('mail::message')
+# Hi {!! $user->name !!},
+
+Your registration to our airline was denied. Please contact
+an administrator with any questions you may have.
+
+Thanks,<br>
+Management, {{ config('app.name') }}
+@endcomponent