Depending on where you found it, this archive most likely contains one of the following:
: A batch of episodes (often in MKV or MP4 format), music tracks from the original soundtrack, or high-quality scans of character cards. JETMAN.rar
: Digital assets such as MMD (MikuMikuDance) models featuring the five main rangers—Red Hawk, Black Condor, Yellow Owl, White Swan, and Blue Swallow. Download Choujin Sentai Jetman - KRDL.moe Depending on where you found it, this archive
: Files for the official Jetman NES game developed by Natsume, or modern fan projects like Choujin Sentai Jetman: Sky Warriors . Depending on where you found it