well think 1000 tanks will be ok they have already 700 t-72 so maybe it's better they buy some 300 tank here is the thing they should do
buy 300 altay
buy about 400 t-155 frintna
these mobile badasses will be great guardians
buy about 500-1000 otokar cobar
i have seen turkmen border guards car they use normal cars which wont protect them from light arms fire
buy some 50-80 TAI anka
buy some 100-150 t-129
buy some 100 mil mil 24
buy some 60 black hawk
buy 80 mil mil 17
but some limited The MH-6 Little Bird for special forces
turkmenistan has few scud missile they need buy 200-300 The 9K720 Iskander with this they can hit their capital
turkmenistan should build some radar stations and buy some The EL/M-2080 Green Pine
they need buy some s400 system
buy some 100 The BM-30
Smerch
and some truck for transporting large number of soldiers
this will be all for land force i guess