▁Project ▁was ▁the ▁first ▁project ▁involving ▁under water ▁habit ats ▁in ▁the ▁Soviet ▁Union ▁in ▁ 1 9 6 0 s . ▁ ▁In sp ired ▁by ▁information ▁on ▁experiments ▁on ▁under water ▁habit ats ▁abroad ▁( in ▁particular , ▁by ▁Jacques ▁Cou ste au ' s ▁Cons h elf ), ▁the ▁members ▁of ▁the ▁amateur ▁div ing ▁club ▁" I ch thy ander " ▁in ▁Don et sk ▁emb ark ed ▁on ▁the ▁project ▁of ▁their ▁own ▁at ▁a ▁site ▁by ▁T ark h ank ut ▁Cape , ▁Crime a . ▁ ▁In ▁August ▁ 1 9 6 6 , ▁in ▁the ▁first ▁experiment , ▁purely ▁amateur , ▁Ich thy ander - 6 6 , ▁a ▁person ▁spent ▁three ▁days ▁continu ously ▁under water . ▁After ▁newspaper ▁news , ▁the ▁experiment ▁attract ed ▁attention ▁of ▁authorities ▁and ▁scient ist , ▁and ▁during ▁Ich thy ander - 6 7 ▁the ▁habitat ▁operated ▁for ▁two ▁weeks . ▁After ▁Ich ty ander - 6 8 ▁Ich ty ander - 7 0 , ▁after ▁un success ful ▁attempts ▁to ▁elev ate ▁it ▁to ▁a ▁professional ▁level , ▁with ▁state ▁support , ▁the ▁project ▁was ▁dis cont in ued . ▁A ▁ 1 9 6 8 ▁Soviet ▁popular ▁science ▁book ▁H omo ▁Aqu atic us ▁writes : ▁" It ▁so ▁happened ▁that ▁after ▁the ▁ 1 9 6 7 ▁expedition , ▁an ▁order ▁was ▁issued ▁to ▁dissol ve ▁the ▁club ". ▁Ich thy ander - 6 8 ▁was ▁carried ▁out ▁during ▁a ▁short - l ived ▁attempt