Cosmonaut Sergei Avdeyev, currently on board the Mir space station, has become the person with the longest total stay in space. He has clocked up 681 days.
Avdeyev was on board the Mir space station and is home now
( z1 and :op ( z2 be-located-at :ARG1 ( z3 person :name ( z4 name :op "Avdeyev" ) ) :ARG2 ( z5 spaceship :name ( z6 name :op "Mir" ) ) ) :op ( z7 be-located-at :ARG1 z3 :ARG2 ( z8 home ) :time ( z9 now ) ) )