These kicked in automatically after Congress failed to pass a more palatable plan to bring down deficits.
The sequester was supposed to be so severe that lawmakers would have to strike a deal to avoid it.
Cutting budgets by a further 10% would be painful.
The White House wants the State Department and foreign-aid budgets to bear much of the burden.
But these make up only a small proportion of the federal budget: about $57bn in total.
The sequester also cut defence spending deeply, which is why hawks like Senator John McCain have been questioning America's military preparedness.
这项自动减支也会更深的缩减国防支出，这也是Senator John McCain 等鹰派人对军队准备提出质疑的原因所在。
Barack Obama's last budget proposed a boost to defence spending about two-thirds as big as Mr Trump's.
A recent paper by Mr McCain argues that an additional $54bn is needed on top of Mr Obama's figure—for a total boost of $91bn, compared with the sequester.
Congress can usually write budgets with a simple majority in both houses.
But amending the sequester may require 60 votes in the Senate, and hence bipartisan co-operation. (This happened in 2013 and 2015. )
Democrats will never support cuts on the scale Mr Trump seems to want.
Plenty of Republicans, too, worry about cuts to the State Department.
Mick Mulvaney, Mr Trump's budget chief, says that he is under no illusions about the budget's prospects in Congress, recalling that Republicans paid little attention to Mr Obama's proposals.
The budget, he says, was not written for Congress, but for the people.