Step-mom rights?

MY ATTORNEYS TOLD ME THAT THE STEP=MOM HAS NO RIGHTS TO MY CHILD'S WHILE DAD WILL BE GONE TO WAR, I HAVE TRIED TO WORK A SCHEDULE FOR THEM TO STILL ALLOW SOME TIME WITH THEM , BUT HE WANTS TO KEEP I T THE WAY IT WAS AS OF HE WAS STILL THERE, HE'S TELLING THAT IT 'S ABANDONMENT. WELL AS I SEE IT HIS ABANDONING HER AFTER 3 YRS OF HER LIFE, HE ENLISTED A YEAR AGO FOR THE NAVY. WHY LEAVE HER NOW? HE THINKS THAT WE WILL GO TO COURT BEFORE HE LEAVES JULY 5TH. I TOLD HIM TO DO WHAT HE THINKS IT'S BEST, I HAVE TRIED WORKING OUT A DEAL W/ HIM , BUT HE DOESN'T WANT THAT. WHAT AM I'M SUPPOSE TO D