This is the 5660th most frequent Polish word.
wojskową
"Military" (feminine form, accusative case in Polish).
In this sentence, 'wojskową' is used as an adjective describing the type of academy, specifically indicating its relation to the military.
Maria została przyjęta na wojskową akademię.
Maria was admitted to the military academy.
Here, 'wojskową' modifies 'odznakę' to specify the badge's association with military traditions or honors.
Otrzymała wojskową odznakę za swoje zasługi.
She received a military badge for her services.
In this context, 'wojskową' is an adjective describing the parade as pertaining to the military, showing martial-themed displays.