My husband is denying me

Hello, I ‘F22’have a husband ‘M25’ who’s on the military but everytime they have an event like you can invite your family or friend or spouses he never want to take me. One time I was in the call his friend was asking him where to drop him off and then he said to my friends grandma ( which is my grandma that we are staying at) I don’t know what to feel but he’s been hiding me for so long now and never want anyone to know that he have a girl/wife. It just make me sad that he cannot really show me off. What do I do?