In the episode Eve comes in and says she wants to join JROTC and hands them an AIR FORCE JROTC book, later in the episode she brings her new uniform and it is an ARMY JROTC uniform.
When Eve shows the manual to join the JROTC it is for the Air Force JROTC program, yet Eve refers to, and wears, an Army JROTC uniform.
Hand salutes are not rendered indoors. To salute indoors, active duty or veteran, you simply come to attention.