Also, if you're doing a military show, the answer is probably already in the school library.
So I don't think there was as much snark in their answer as you detected.
If you're looking for an arranger to write a new show, that's going to be thin as those people usually need to be booked before TMEA.
Some people who have lots of shows on their website at different levels that might help you...
Carol Brittin Chambers
Gary P. Gilroy