Midway through their wildly successful first season in the National Hockey League, the Vegas Golden Knights have run into a problem off the ice. And it is very nearly the exact dispute the team’s majority owner appears to have tried — at least somewhat — to avoid.

The owner, Bill Foley, is a graduate of the United States Military Academy, whose athletic teams have long competed as the Army Black Knights. Mr. Foley had initially hoped to call his new hockey team the Black Knights but encountered resistance, including some from West Point.