(S (S (BASENP (NNP Russia)) (VP (ADVP (RB regularly)) (VP (VP (VBZ uses) (BASENP (DT the) (NN area))) (S (VP (TO to) (VP (VB fly) (NP (NP (BASENP (NNS missions)) (PRN (COMMA ,) (PP (ADVP (RB mostly)) (PP (IN with) (BASENP (JJ strategic) (NNS airlifters)))) (COMMA ,))) (PP (IN between) (NP (NP (BASENP (NNP Kaliningrad)) (PRN (COMMA ,) (UCP (NP (BASENP (NN capital)) (PP (IN of) (BASENP (NNP Kaliningrad) (NNP Oblast)))) (CC and) (VP (VBN located) (PP (IN between) (BASENP (NNP Poland) (CC and) (NNP Lithuania))))) (COMMA ,))) (CC and) (NP (BASENP (NNP St) (NNP Petersberg)) (PP (IN in) (BASENP (NNP Russia))))))))))))) (PERIOD .))