diff --git a/assets/sounds/ion.ogg b/assets/sounds/ion.ogg
new file mode 100644
index 0000000..f88fa6f
Binary files /dev/null and b/assets/sounds/ion.ogg differ
diff --git a/src/actor.rs b/src/actor.rs
index bd76880..80e8823 100644
--- a/src/actor.rs
+++ b/src/actor.rs
@@ -142,7 +142,7 @@ pub struct Vehicle;
 pub enum EngineType {
     Monopropellant,
     Rocket,
-    //Ion,
+    Ion,
 }
 
 #[derive(Component)]
diff --git a/src/audio.rs b/src/audio.rs
index a0e0d5d..d582945 100644
--- a/src/audio.rs
+++ b/src/audio.rs
@@ -10,6 +10,7 @@ const ASSET_CONNECT: &str = "sounds/connect.ogg";
 const ASSET_BGM: &str = "music/dead-space-style-ambient-music.ogg";
 const ASSET_THRUSTER: &str = "sounds/thruster.ogg";
 const ASSET_ROCKET: &str = "sounds/rocket.ogg";
+const ASSET_ION: &str = "sounds/ion.ogg";
 //const ASSET_WAKEUP: &str = "sounds/wakeup.ogg";
 const ASSET_BIKESTART: &str = "sounds/bikestart.ogg";
 
@@ -40,6 +41,7 @@ pub enum Sfx {
 #[derive(Component)] pub struct ComponentBGM;
 #[derive(Component)] pub struct ComponentThrusterSound;
 #[derive(Component)] pub struct ComponentRocketSound;
+#[derive(Component)] pub struct ComponentIonSound;
 #[derive(Component)] struct SoundBGM(Handle<AudioSource>);
 #[derive(Resource)] pub struct SoundClick(Handle<AudioSource>);
 #[derive(Resource)] pub struct SoundSwitch(Handle<AudioSource>);
@@ -94,6 +96,17 @@ pub fn setup(
             },
         },
     ));
+    commands.spawn((
+        ComponentIonSound,
+        AudioBundle {
+            source: asset_server.load(ASSET_ION),
+            settings: PlaybackSettings {
+                mode: PlaybackMode::Loop,
+                paused: true,
+                ..default()
+            },
+        },
+    ));
     commands.insert_resource(SoundClick(asset_server.load(ASSET_CLICK)));
     commands.insert_resource(SoundSwitch(asset_server.load(ASSET_SWITCH)));
     commands.insert_resource(SoundIncomingMessage(asset_server.load(ASSET_INCOMING_MESSAGE)));
diff --git a/src/camera.rs b/src/camera.rs
index daaf74d..0a65f49 100644
--- a/src/camera.rs
+++ b/src/camera.rs
@@ -47,6 +47,7 @@ fn run_camera_controller(
     key_input: Res<ButtonInput<KeyCode>>,
     thruster_sound_controller: Query<&AudioSink, With<audio::ComponentThrusterSound>>,
     rocket_sound_controller: Query<&AudioSink, With<audio::ComponentRocketSound>>,
+    ion_sound_controller: Query<&AudioSink, With<audio::ComponentIonSound>>,
     mut q_engine: Query<&mut actor::Engine, With<actor::PlayerDrivesThis>>,
     mut query: Query<(
             &mut Transform,
@@ -181,5 +182,12 @@ fn run_camera_controller(
                 sink.pause()
             }
         }
+        if let Ok(sink) = ion_sound_controller.get_single() {
+            if play_thruster_sound && engine.engine_type == actor::EngineType::Ion {
+                sink.play()
+            } else {
+                sink.pause()
+            }
+        }
     }
 }
diff --git a/src/defs.txt b/src/defs.txt
index 3c6c20b..3c01abb 100644
--- a/src/defs.txt
+++ b/src/defs.txt
@@ -81,7 +81,7 @@ actor 10 -30 20 MeteorAceGT
     scale 5
     vehicle yes
     thrust 70 13.7 9.4 0.5 20
-    engine rocket
+    engine ion
 
 actor 10 0 70 suit
     name Icarus
diff --git a/src/world.rs b/src/world.rs
index 9d84d00..996671f 100644
--- a/src/world.rs
+++ b/src/world.rs
@@ -567,6 +567,9 @@ pub fn load_defs(
             ["engine", "rocket"] => {
                 state.engine_type = actor::EngineType::Rocket;
             }
+            ["engine", "ion"] => {
+                state.engine_type = actor::EngineType::Ion;
+            }
 
             // Parsing chats
             ["chat", chat_name] => {