▁of ▁the ▁Brazil ian ▁Ant ar ctic ▁Program ▁( PRO ANT AR ), ▁and ▁was ▁its ▁first ▁ice - cap able ▁vessel . ▁Commission ed ▁on ▁ 2 8 ▁September ▁ 1 9 8 2 ▁as ▁an ▁ocean ographic ▁support ▁ship ▁( NA p O c ) ▁H - 4 2 , ▁she ▁was ▁renamed ▁Bar ão ▁de ▁Te ff é ▁in ▁honor ▁of ▁Admir al ▁Antonio ▁Luis ▁von ▁H oon hol tz ▁( 1 8 3 7 – 1 9 3 1 ), ▁founder ▁and ▁first ▁director ▁of ▁the ▁n avy ' s ▁hydro graph ic ▁service . ▁In ▁her ▁initial ▁years ▁she ▁operated ▁in ▁conj unction ▁with ▁the ▁ocean ographic ▁vessel ▁Professor ▁W . ▁Bes n ard ▁of ▁the ▁Institute ▁of ▁Ocean ography ▁of ▁the ▁University ▁of ▁São ▁Paulo . ▁ ▁Between ▁ 1 9 8 4 ▁and ▁ 1 9 8 6 ▁Bar ão ▁de ▁Te ff é ▁was ▁engaged ▁in ▁the ▁supply ▁and ▁construction ▁of ▁the ▁permanent ▁Com and ante ▁Fer raz ▁Ant ar ctic ▁Station ▁on ▁King ▁George ▁Island ▁in ▁the ▁South ▁Sh et land ▁Islands ▁and ▁there after ▁on ▁a ▁wide ▁range ▁of ▁research ▁projects ▁in ▁the ▁region . ▁ ▁In ▁ 1 9 9 4 , ▁the ▁ship ▁was ▁recomm ission ed ▁as ▁a ▁l ighth ouse ▁vessel ▁( NF ) ▁supporting ▁major ▁construction ▁projects ▁on ▁Tr ind ade ▁Island ▁and ▁the ▁coast ▁of ▁São ▁Paulo . ▁ ▁Bar ão ▁de ▁Te ff é ▁was ▁de comm ission ed ▁from ▁naval ▁service ▁on ▁ 2 3