diff --git a/Assets/Scripts/Constants.cs b/Assets/Scripts/Constants.cs
index 6ccb3a9..4256044 100644
--- a/Assets/Scripts/Constants.cs
+++ b/Assets/Scripts/Constants.cs
@@ -3,10 +3,10 @@ using System;
 public static class Constants
 {
     // Constants (these should be defined with appropriate values)
-    private const double kAirDensity = 1.204; // Sea level air density in kg/m^3
-    private const double kAirDensityScaleHeight = 10.4; // Scale height in km
-    private const double kGravity = 9.80665; // Standard gravity in m/s^2
-    private const double kEarthMeanRadius = 6378137; // Earth's mean radius in meters
+    public const double kAirDensity = 1.204; // Sea level air density in kg/m^3
+    public const double kAirDensityScaleHeight = 10.4; // Scale height in km
+    public const double kGravity = 9.80665; // Standard gravity in m/s^2
+    public const double kEarthMeanRadius = 6378137; // Earth's mean radius in meters
 
     public static double CalculateAirDensityAtAltitude(double altitude)
     {
diff --git a/Assets/Scripts/Interceptors/Micromissile.cs b/Assets/Scripts/Interceptors/Micromissile.cs
index 9062ab6..b69acf8 100644
--- a/Assets/Scripts/Interceptors/Micromissile.cs
+++ b/Assets/Scripts/Interceptors/Micromissile.cs
@@ -4,7 +4,7 @@ using UnityEngine;
 
 public class Micromissile : Missile
 {
-    [SerializeField] private float _navigationGain = 5f; // Typically 3-5
+    [SerializeField] private float _navigationGain = 3f; // Typically 3-5
 
     private Vector3 _previousLOS;
     private Vector3 _accelerationCommand;
diff --git a/Assets/Scripts/Missile.cs b/Assets/Scripts/Missile.cs
index 8e1b68b..7905cf4 100644
--- a/Assets/Scripts/Missile.cs
+++ b/Assets/Scripts/Missile.cs
@@ -112,7 +112,7 @@ public class Missile : Agent
 
     protected float CalculateMaxAcceleration()
     {
-        float maxReferenceAcceleration = StaticConfig.accelerationConfig.maxReferenceAcceleration * Physics.gravity.magnitude;
+        float maxReferenceAcceleration = (float)(StaticConfig.accelerationConfig.maxReferenceAcceleration * Constants.kGravity);
         float referenceSpeed = StaticConfig.accelerationConfig.referenceSpeed;
         return Mathf.Pow(GetComponent<Rigidbody>().velocity.magnitude / referenceSpeed, 2) * maxReferenceAcceleration;
     }