Both New Jersey senators celebrated the "tenacious" service of former Sen. Frank Lautenberg (D-N.J.), who died a year ago Tuesday after serving in Congress for more than 30 years. 

Sen. Cory BookerCory Anthony BookerSanders: Trump setting 'terrible example' for our children Sanders, Harris set to criss-cross Iowa Election Countdown: Small-donor donations explode | Russian woman charged with midterm interference | Takeaways from North Dakota Senate debate | O'Rourke gives 'definitive no' to 2020 run | Dems hope Latino voters turn Arizona blue MORE (D-N.J.), who now occupies Lautenberg's seat, called the former lawmaker a "brave veteran and tremendous public servant."

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"Every vote I take, every bill we debate, I recognize that I am standing on the shoulders of a great man and will continue to do all I can to honor his legacy,” he said in a statement, noting the former senator’s work on transportation safety, infrastructure, public health and the environment. 

Lautenberg — the oldest member of the Senate at the time of his death — died at the age of 89 from viral pneumonia. He was the last World War II veteran serving in the upper chamber and held the record for most votes from a New Jersey senator. 

Interim Sen. Jeff Chiesa (R-N.J.) was temporarily appointed to fill Lautenberg's seat after his death. Booker eventually took over after winning last October's special election to fill the seat. 

Sen. Robert MenendezRobert (Bob) MenendezTrump lowers refugee goal to 30,000, he must meet it Blame Senate, not FBI, for Kavanaugh travesty Dems urge tech companies to remove 3D-gun blueprints MORE (D-N.J.) who served along side Lautenberg said he strives to pursue many of the causes Lautenberg supported. 

"A year ago today, New Jersey and our nation lost a tenacious public servant," he said in a statement. "Our image of what it means to live, learn, earn, and then give something back will forever be reflected in the name Frank Lautenberg."