def missile_guidance(current_position, desired_position):
    # Calculate deviation from the desired position
    deviation = [desired - current for current, desired in zip(current_position, desired_position)]

    # Generate corrective commands based on the deviation
    corrective_commands = [-dev for dev in deviation]

    # Simulate movement using the corrective commands
    new_position = [current + command for current, command in zip(current_position, corrective_commands)]

    # Check if the new position matches the desired position
    if new_position == desired_position:
        print("Missile has reached the desired position.")
    else:
        # Calculate error as the difference between the desired position and the new position
        error = [new - desired for new, desired in zip(new_position, desired_position)]
        print(f"Error detected: {error}")
        # If error is significant, correct it (this is a placeholder for more complex error correction logic)
        if max(abs(err) for err in error) >  1:  # Example threshold for significance
            # Placeholder for error correction logic
            print("Error correction logic would go here.")

    return new_position

# Example usage:
current_pos = [0,  0,  0]  # Starting position
desired_pos = [100,  200,  300]  # Target position

# Run the guidance algorithm
new_pos = missile_guidance(current_pos, desired_pos)
print(f"New position: {new_pos}")