diff --git a/app/src/main/java/com/rtbishop/look4sat/presentation/MainActivity.kt b/app/src/main/java/com/rtbishop/look4sat/presentation/MainActivity.kt
index 7bdedb43..69d550c6 100644
--- a/app/src/main/java/com/rtbishop/look4sat/presentation/MainActivity.kt
+++ b/app/src/main/java/com/rtbishop/look4sat/presentation/MainActivity.kt
@@ -30,19 +30,27 @@ import androidx.core.splashscreen.SplashScreen.Companion.installSplashScreen
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.LifecycleEventObserver
+import androidx.navigation.fragment.NavHostFragment
 import androidx.navigation.fragment.findNavController
+import androidx.navigation.ui.NavigationUI
+import androidx.navigation.ui.NavigationUiSaveStateControl
+import com.rtbishop.look4sat.R
 import com.rtbishop.look4sat.databinding.ActivityMainBinding
 import dagger.hilt.android.AndroidEntryPoint
 
 @AndroidEntryPoint
 class MainActivity : AppCompatActivity() {
 
+    @OptIn(NavigationUiSaveStateControl::class)
     @SuppressLint("SourceLockedOrientationActivity")
     override fun onCreate(savedInstanceState: Bundle?) {
         requestedOrientation = ActivityInfo.SCREEN_ORIENTATION_PORTRAIT
         installSplashScreen()
         super.onCreate(savedInstanceState)
-        setContentView(ActivityMainBinding.inflate(layoutInflater).root)
+        val binding = ActivityMainBinding.inflate(layoutInflater)
+        val host = supportFragmentManager.findFragmentById(R.id.nav_host) as NavHostFragment
+        NavigationUI.setupWithNavController(binding.navBar, host.navController, false)
+        setContentView(binding.root)
     }
 
     override fun attachBaseContext(newBase: Context?) {
diff --git a/app/src/main/res/drawable/ic_about.xml b/app/src/main/res/drawable/ic_about.xml
new file mode 100644
index 00000000..7ae71340
--- /dev/null
+++ b/app/src/main/res/drawable/ic_about.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M12,2C6.48,2 2,6.48 2,12s4.48,10 10,10 10,-4.48 10,-10S17.52,2 12,2zM13,19h-2v-2h2v2zM15.07,11.25l-0.9,0.92C13.45,12.9 13,13.5 13,15h-2v-0.5c0,-1.1 0.45,-2.1 1.17,-2.83l1.24,-1.26c0.37,-0.36 0.59,-0.86 0.59,-1.41 0,-1.1 -0.9,-2 -2,-2s-2,0.9 -2,2L8,9c0,-2.21 1.79,-4 4,-4s4,1.79 4,4c0,0.88 -0.36,1.68 -0.93,2.25z" />
+</vector>
diff --git a/app/src/main/res/drawable/ic_settings.xml b/app/src/main/res/drawable/ic_settings.xml
new file mode 100644
index 00000000..a95f37b1
--- /dev/null
+++ b/app/src/main/res/drawable/ic_settings.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:autoMirrored="true"
+    android:tint="?attr/colorControlNormal"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M19.43,12.98c0.04,-0.32 0.07,-0.64 0.07,-0.98s-0.03,-0.66 -0.07,-0.98l2.11,-1.65c0.19,-0.15 0.24,-0.42 0.12,-0.64l-2,-3.46c-0.12,-0.22 -0.39,-0.3 -0.61,-0.22l-2.49,1c-0.52,-0.4 -1.08,-0.73 -1.69,-0.98l-0.38,-2.65C14.46,2.18 14.25,2 14,2h-4c-0.25,0 -0.46,0.18 -0.49,0.42l-0.38,2.65c-0.61,0.25 -1.17,0.59 -1.69,0.98l-2.49,-1c-0.23,-0.09 -0.49,0 -0.61,0.22l-2,3.46c-0.13,0.22 -0.07,0.49 0.12,0.64l2.11,1.65c-0.04,0.32 -0.07,0.65 -0.07,0.98s0.03,0.66 0.07,0.98l-2.11,1.65c-0.19,0.15 -0.24,0.42 -0.12,0.64l2,3.46c0.12,0.22 0.39,0.3 0.61,0.22l2.49,-1c0.52,0.4 1.08,0.73 1.69,0.98l0.38,2.65c0.03,0.24 0.24,0.42 0.49,0.42h4c0.25,0 0.46,-0.18 0.49,-0.42l0.38,-2.65c0.61,-0.25 1.17,-0.59 1.69,-0.98l2.49,1c0.23,0.09 0.49,0 0.61,-0.22l2,-3.46c0.12,-0.22 0.07,-0.49 -0.12,-0.64l-2.11,-1.65zM12,15.5c-1.93,0 -3.5,-1.57 -3.5,-3.5s1.57,-3.5 3.5,-3.5 3.5,1.57 3.5,3.5 -1.57,3.5 -3.5,3.5z" />
+</vector>
diff --git a/app/src/main/res/layout/activity_main.xml b/app/src/main/res/layout/activity_main.xml
index 0274daed..e12c7ee3 100644
--- a/app/src/main/res/layout/activity_main.xml
+++ b/app/src/main/res/layout/activity_main.xml
@@ -1,9 +1,30 @@
 <?xml version="1.0" encoding="utf-8"?>
-<androidx.fragment.app.FragmentContainerView xmlns:android="http://schemas.android.com/apk/res/android"
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/nav_host"
-    android:name="androidx.navigation.fragment.NavHostFragment"
     android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    app:defaultNavHost="true"
-    app:navGraph="@navigation/nav_graph" />
+    android:layout_height="match_parent">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/nav_host"
+        android:name="androidx.navigation.fragment.NavHostFragment"
+        android:layout_width="0dp"
+        android:layout_height="0dp"
+        app:defaultNavHost="true"
+        app:layout_constraintBottom_toTopOf="@+id/nav_bar"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:navGraph="@navigation/nav_graph" />
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/nav_bar"
+        android:layout_width="0dp"
+        android:layout_height="56dp"
+        app:itemBackground="@color/bottomBar"
+        app:labelVisibilityMode="unlabeled"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:menu="@menu/nav_menu" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/menu/nav_menu.xml b/app/src/main/res/menu/nav_menu.xml
new file mode 100644
index 00000000..a3f6c009
--- /dev/null
+++ b/app/src/main/res/menu/nav_menu.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/nav_entries"
+        android:icon="@drawable/ic_satellite"
+        android:title="@string/menu_satellites" />
+    <item
+        android:id="@+id/nav_passes"
+        android:icon="@drawable/ic_list"
+        android:title="@string/menu_passes" />
+    <item
+        android:id="@+id/nav_map"
+        android:icon="@drawable/ic_map"
+        android:title="@string/menu_map" />
+    <item
+        android:id="@+id/nav_settings"
+        android:icon="@drawable/ic_settings"
+        android:title="@string/menu_settings" />
+    <item
+        android:id="@+id/nav_about"
+        android:icon="@drawable/ic_about"
+        android:title="@string/menu_about" />
+</menu>
diff --git a/app/src/main/res/navigation/nav_graph.xml b/app/src/main/res/navigation/nav_graph.xml
index 872cc852..e5abb3f4 100644
--- a/app/src/main/res/navigation/nav_graph.xml
+++ b/app/src/main/res/navigation/nav_graph.xml
@@ -53,7 +53,19 @@
     <fragment
         android:id="@+id/nav_settings"
         android:name="com.rtbishop.look4sat.presentation.settingsScreen.SettingsFragment"
-        tools:layout="@layout/fragment_settings">
+        tools:layout="@layout/fragment_settings" />
+    <fragment
+        android:id="@+id/nav_about"
+        android:name="com.rtbishop.look4sat.presentation.radarScreen.RadarFragment"
+        tools:layout="@layout/fragment_radar">
+        <argument
+            android:name="catNum"
+            android:defaultValue="-1"
+            app:argType="integer" />
+        <argument
+            android:name="aosTime"
+            android:defaultValue="0L"
+            app:argType="long" />
     </fragment>
     <dialog
         android:id="@+id/nav_modes"
diff --git a/app/src/main/res/values-ru/strings.xml b/app/src/main/res/values-ru/strings.xml
index 6e7458ab..9901fb21 100644
--- a/app/src/main/res/values-ru/strings.xml
+++ b/app/src/main/res/values-ru/strings.xml
@@ -5,6 +5,12 @@
     <string name="app_version">Версия: %s</string>
     <string name="app_subtitle">Трекер спутников для Android</string>
 
+    <string name="menu_satellites">Спутники</string>
+    <string name="menu_passes">Пролеты</string>
+    <string name="menu_map">Карта</string>
+    <string name="menu_settings">Настройки</string>
+    <string name="menu_about">Инфо</string>
+
     <!--Buttons-->
 
     <string name="btn_add">Добавить</string>
diff --git a/app/src/main/res/values-zh-rCN/strings.xml b/app/src/main/res/values-zh-rCN/strings.xml
index e17fdac4..de7db7d3 100644
--- a/app/src/main/res/values-zh-rCN/strings.xml
+++ b/app/src/main/res/values-zh-rCN/strings.xml
@@ -5,6 +5,12 @@
     <string name="app_version">版本：%s</string>
     <string name="app_subtitle">人造卫星追踪和过境预测</string>
 
+    <string name="menu_satellites">Satellites</string>
+    <string name="menu_passes">Passes</string>
+    <string name="menu_map">World Map</string>
+    <string name="menu_settings">Settings</string>
+    <string name="menu_about">About</string>
+
     <!--Buttons-->
 
     <string name="btn_add">添加</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a1fe2d01..21a272a3 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -5,6 +5,12 @@
     <string name="app_version">Version: %s</string>
     <string name="app_subtitle">Satellite tracker and pass predictor</string>
 
+    <string name="menu_satellites">Satellites</string>
+    <string name="menu_passes">Passes</string>
+    <string name="menu_map">World Map</string>
+    <string name="menu_settings">Settings</string>
+    <string name="menu_about">About</string>
+
     <!--Buttons-->
 
     <string name="btn_add">Add</string>
diff --git a/app/src/main/res/values/styles.xml b/app/src/main/res/values/styles.xml
index fde65210..1310c990 100644
--- a/app/src/main/res/values/styles.xml
+++ b/app/src/main/res/values/styles.xml
@@ -12,7 +12,12 @@
         <item name="colorControlNormal">@color/textMain</item>
         <item name="colorPrimary">@color/accent</item>
         <item name="colorSecondary">@color/accent</item>
-        <item name="colorOnPrimaryContainer">@color/background</item>
+        <!--        Bottom bar colors-->
+        <item name="colorOnSecondaryContainer">@color/background</item>
+        <item name="colorOnSurfaceVariant">@color/textMain</item>
+        <item name="colorSecondaryContainer">@color/accent</item>
+        <item name="colorOnPrimaryContainer">@color/textMain</item>
+        <!--        -->
         <item name="android:forceDarkAllowed" tools:targetApi="q">false</item>
         <item name="android:listDivider">@drawable/item_divider</item>
         <item name="android:navigationBarColor">@color/background</item>
@@ -127,6 +132,7 @@
         <item name="android:layout_width">match_parent</item>
         <item name="android:layout_height">@dimen/bottom_bar_size</item>
         <item name="android:layout_gravity">bottom</item>
+        <item name="android:layout_marginBottom">3dp</item>
         <item name="android:backgroundTint">@color/bottomBar</item>
         <item name="contentInsetStart">@dimen/bottom_bar_inset</item>
         <item name="contentInsetEnd">@dimen/bottom_bar_inset</item>