Ladies of the 'Real Men' female edition were spotted entering the military. 

SEE ALSO: SHINee's Onew spotted looking healthy and happy at airport

On February 16, MBC has announced this season's title, which is 'Real Men Female Edition 4, Challenges of Nightingale'. On the same day, the cast of this season's 'Real Men' attended military school where they are to be trained about emergency situations as well as battlefield tactics. The female cast members will then face rigorous military training. 

In the photo, Cao Lu from FIESTAR, Dahyunfrom TWICE, Nana from After School, Hyosung from SECRET, actress Kim Sung Eun, Lee Chae Young, and comedian Kim Young Hee were seen entering the military in snowy weather. 

The first episode of this season's 'Real Men' female edition will air on February 21 KST.