Compare Tag not registering

have a rocket and it explodes and it is tagged the same exact spelling but doesn't register

 public float Enemy_Health;

 public float Damage;

 public ParticleSystem deathParticle;

 public int digit;
 public GameObject Healthpack;
 public GameObject Coin;

 // Update is called once per frame
 void Update()
 {
     if (Enemy_Health <= 0)
     {
         digit = Random.Range(0, 101);
         if (digit <= 40 && digit >= 6)
         {
             Instantiate(Healthpack, transform.position, Quaternion.identity);
         }
         else if(digit >= 41)
         {
             Instantiate(Coin, transform.position, Quaternion.identity);
         }

         Instantiate(deathParticle, transform.position, Quaternion.identity);
         
         Destroy(gameObject);
     }
 }

 public void TakeDamage()
 {
     Enemy_Health -= Damage;
 }

 public void FullKill()
 {
     Enemy_Health = 0;
 }

 void OnTriggerEnter2D(Collider2D other)
 {
     Debug.Log($"OnTriggerEnter2D called. other's tag was {other.tag}.");
     if (other.gameObject.CompareTag("Explosion"))
     {
         FullKill();
         Debug.Log("HIT Enemy!");
     }
 }

I've debug for t$$anonymous$$ngs and it says the object doesn't have a tag.