diff --git a/Sources/justMUSIC/lib/components/top_nav_bar_component.dart b/Sources/justMUSIC/lib/components/top_nav_bar_component.dart
index b990baa..ab0c499 100644
--- a/Sources/justMUSIC/lib/components/top_nav_bar_component.dart
+++ b/Sources/justMUSIC/lib/components/top_nav_bar_component.dart
@@ -157,7 +157,7 @@ class _TopNavBarComponentState extends State<TopNavBarComponent> with TickerProv
                       longTapRepeatDuration: const Duration(milliseconds: 100),
                       begin: 1.0,
                       onTap: () {
-                        Navigator.of(context).pushNamed('/launchingRocket');
+                        checkAvailable();
                       },
                       end: 0.97,
                       beginDuration: const Duration(milliseconds: 70),
diff --git a/Sources/justMUSIC/lib/screens/launching_rocker_screen.dart b/Sources/justMUSIC/lib/screens/launching_rocker_screen.dart
index d68dbef..b815342 100644
--- a/Sources/justMUSIC/lib/screens/launching_rocker_screen.dart
+++ b/Sources/justMUSIC/lib/screens/launching_rocker_screen.dart
@@ -1,6 +1,8 @@
 import 'package:flutter/Material.dart';
 import 'package:lottie/lottie.dart';
 
+import '../values/constants.dart';
+
 class LaunchingRocketScreen extends StatefulWidget {
   const LaunchingRocketScreen({super.key});
 
@@ -11,33 +13,102 @@ class LaunchingRocketScreen extends StatefulWidget {
 class _LaunchingRocketScreenState extends State<LaunchingRocketScreen> with TickerProviderStateMixin {
   late final AnimationController _controller;
 
+  late AnimationController _controller2;
+  late Animation<double> _animation;
+
   @override
   initState() {
     _controller = AnimationController(vsync: this, duration: Duration(seconds: 3));
+
+    _controller2 = AnimationController(
+      vsync: this,
+      duration: Duration(milliseconds: 800),
+    );
+
+    final CurvedAnimation curve = CurvedAnimation(parent: _controller2, curve: Curves.easeIn);
+
+    _animation = Tween<double>(
+      begin: 0,
+      end: 1,
+    ).animate(curve);
+
+    _controller2.addStatusListener((status) {
+      print("cccccccc");
+      if (status == AnimationStatus.completed) {
+        Navigator.of(context).popUntil((route) => route.settings.name == '/feed');
+      }
+    });
+
     super.initState();
   }
 
+  @override
+  void dispose() {
+    _controller.dispose();
+    _controller2.dispose();
+    super.dispose();
+  }
+
   @override
   Widget build(BuildContext context) {
-    return Stack(
-      fit: StackFit.expand,
-      children: [
-        Align(
-          alignment: Alignment.topCenter,
-          child: Lottie.asset(
-            'assets/animations/rocket.json',
-            width: double.infinity,
-            frameRate: FrameRate(60),
-            fit: BoxFit.contain,
-            controller: _controller,
-            onLoaded: (composition) {
-              // Configure the AnimationController with the duration of the
-              // Lottie file and start the animation.
-              _controller.forward();
-            },
-          ),
+    bool animationCompleted = false;
+    return Scaffold(
+      backgroundColor: primaryColor,
+      body: Container(
+        width: double.infinity,
+        height: double.infinity,
+        child: Stack(
+          children: [
+            Lottie.asset(
+              'assets/animations/rocket.json',
+              height: 600,
+              frameRate: FrameRate(60),
+              fit: BoxFit.contain,
+              controller: _controller,
+              onLoaded: (composition) {
+                _controller
+                  ..duration = composition.duration
+                  ..forward().whenComplete(() {
+                    setState(() {
+                      animationCompleted = true;
+                    });
+                    _controller2.forward();
+                  });
+              },
+            ),
+            Center(
+                child: AnimatedBuilder(
+              animation: _animation,
+              builder: (context, child) {
+                double circlePosition = MediaQuery.of(context).size.height * _animation.value;
+                return CustomPaint(
+                  painter: CirclePainter(circlePosition),
+                );
+              },
+            )),
+          ],
         ),
-      ],
+      ),
     );
   }
 }
+
+class CirclePainter extends CustomPainter {
+  final double circlePosition;
+
+  CirclePainter(this.circlePosition);
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    Paint paint = Paint()..color = Colors.white;
+    double radius = 50 * circlePosition; // Remplacez par le rayon souhaité de votre cercle
+    Offset center = Offset(size.width / 2, size.height / 2);
+
+    canvas.drawCircle(center, radius, paint);
+  }
+
+  @override
+  bool shouldRepaint(CustomPainter oldDelegate) {
+    return true;
+  }
+}
diff --git a/Sources/justMUSIC/lib/screens/post_screen.dart b/Sources/justMUSIC/lib/screens/post_screen.dart
index ac94942..3f76761 100644
--- a/Sources/justMUSIC/lib/screens/post_screen.dart
+++ b/Sources/justMUSIC/lib/screens/post_screen.dart
@@ -19,8 +19,7 @@ class PostScreen extends StatefulWidget {
   State<PostScreen> createState() => _PostScreenState();
 }
 
-class _PostScreenState extends State<PostScreen>
-    with SingleTickerProviderStateMixin {
+class _PostScreenState extends State<PostScreen> with SingleTickerProviderStateMixin {
   final scrollController = ScrollController();
   late AnimationController _controller;
 
@@ -82,25 +81,22 @@ class _PostScreenState extends State<PostScreen>
       isScrollControlled: true,
       context: context,
       shape: const RoundedRectangleBorder(
-          borderRadius: BorderRadius.only(
-              topLeft: Radius.circular(20), topRight: Radius.circular(20))),
+          borderRadius: BorderRadius.only(topLeft: Radius.circular(20), topRight: Radius.circular(20))),
       builder: ((context) {
         return ClipRRect(
-            borderRadius: BorderRadius.only(
-                topLeft: Radius.circular(20), topRight: Radius.circular(20)),
+            borderRadius: BorderRadius.only(topLeft: Radius.circular(20), topRight: Radius.circular(20)),
             child: SearchSongScreen(callback: _selectMusic));
       }),
     );
   }
 
   handleSubmit() async {
-    await MyApp.postViewModel.addPost(
-        description, (selectedMusic?.id)!, selectedImage, selectedCity);
+    MyApp.postViewModel.addPost(description, (selectedMusic?.id)!, selectedImage, selectedCity);
     quit();
   }
 
   quit() {
-    Navigator.pop(context);
+    Navigator.pushNamed(context, '/launchingRocket');
   }
 
   @override
@@ -113,10 +109,7 @@ class _PostScreenState extends State<PostScreen>
         preferredSize: Size(double.infinity, 80),
         child: SafeArea(
           child: Padding(
-            padding: EdgeInsets.only(
-                left: defaultPadding,
-                right: defaultPadding,
-                top: defaultPadding),
+            padding: EdgeInsets.only(left: defaultPadding, right: defaultPadding, top: defaultPadding),
             child: Row(
               children: [BackButtonComponent()],
             ),
@@ -124,8 +117,7 @@ class _PostScreenState extends State<PostScreen>
         ),
       ),
       body: Container(
-        padding:
-            const EdgeInsets.only(left: defaultPadding, right: defaultPadding),
+        padding: const EdgeInsets.only(left: defaultPadding, right: defaultPadding),
         width: double.infinity,
         height: double.infinity,
         decoration: const BoxDecoration(