C# When creating an array of a Class I get System.NullReferenceException [duplicate]

I am trying to make a array out of object of the class called "Logistics", but when I do it, I get a "System.NullReferenceException" error.

public class Generate_Logistic_List
{

    Logistics[] logistic = new Logistics[2];

    public void Generate()
    {


        logistic[0].ChangeName("Test");


    }
}

What baffles me is that when I make it into a regular object of a class (i.e not making it an array) it works.

public class Generate_Logistic_List
{
    Logistics logistic = new Logistics();

    public void Generate()
    {           
        logistic.ChangeName("Test");
    }
}

Here is my "Logistics" class for reference.

public class Logistics
{
    protected string name;
    protected int time;
    protected int manpower;
    protected int ammo;
    protected int rations;
    protected int parts;


    public string Name(){
        return name;
    }

    public int Time(){
        return time;
    }

    public int Manpower(){
        return manpower;
    }

    public int Ammo(){
        return ammo;
    }

    public int Rations(){
        return rations;
    }

    public int Parts(){
        return parts;
    }

    public int TotalSupplies(){
        return manpower + ammo + rations + parts;
    }

    public double SupplyPerHour(int anySupply){
        double x = time / 60;
        return anySupply/x;
    }

    public void ChangeName(string newName){
        name = newName;
    }

    public void ChangeTime(int newTime){
        time=newTime;
    }


    public void ChangeSupplies(int newManpower, int newAmmo, int newRations, int newParts){
        manpower=newManpower;
        ammo=newAmmo;
        rations=newRations;
        parts=newParts;
    }
}

I have looked around the googles and to me it seems like my syntax for making the class into an array is okay.

If there would be a problem with my "Logistics" class I would presumable get an error when making a single object out of the class.

When I searched googles regarding array of classes the results seems to be about different problems, but since a relatively new to this I might have missed it thinking it wasn't relevant.

If that is the case I would be happy if somebody could redirect me to the post. I actually have no idea where else I could search for the answers to my problem, so any help would be very much appreciated.