The VA secretary says he will recommend DoJ not appeal a court ruling, adding that 51,000 veterans are receiving treatment.
House and Senate leaders began another push for a "Blue Water Navy" bill on Agent Orange benefits that failed last year.
Unless the Supreme Court reverses the decision, Blue Water veterans have won a victory denied them for two decades.
Blue Water Navy veterans came a step closer to getting Agent Orange benefits following a favorable court ruling.
A court ruled that Vietnam vets who served on ships are eligible for benefits to treat illnesses linked to Agent Orange.
Though legislation has been reintroduced in Congress, VA officials say there is no evidence to support the change.
House lawmakers have reintroduced a bill to expand Agent Orange benefits.
The ranking member and committee's next chairman pressed for a floor vote after an effort failed Wednesday in the Senate.
Seven groups wrote the president, saying his support could push Congress to approve the legislation.
A final deal to provide VA benefits to veterans who served off the coast during the Vietnam War failed in the Senate.