I think TTAG made the point first, exhibited here is personal freedom and lack of censorship in Israel, in undeniable contrast with their surrounding countries.
How the calendar came together is kind of interesting. The calendar was crowdfunded on Indiegogo by MTKL Apparel, a clothing company formed by two Israeli veterans. Models were sourced and recruited through social networks. If you wish to know more, check the source links at the bottom.
MTKL has a wonderfully cheesy video advertisement.
They were interviewed on a talk show (with English subtitles).
More info: AmmoLand MTKL Apparel Announces The World’s First Israeli Army Girl Calendar 2014-12-04 Soldier Systems MTKL Apparel – Israeli Army Girl Calendar 2014-11-04 The Truth About Guns MTKL Apparel Reveals Israeli Army Girl Calendar 2014-12-05