interservice

From inter- +‎ service.

interservice (not comparable)

1. (US) Involving relationships between branches of the armed forces.

   Interservice rivalry is often blamed for problems in the US military.

   Interservice coordination in the field has improved due to electronic communications.

2. Concerning interactions between multiple services.
   • 2000, Dana Stabenow, Midnight Come Again, →ISBN, page 258:

     Mutt had taken it as a matter of course that she had been invited to this interservice conference, and no one thought to gainsay her.