The House will begin consideration of the $491 billion Defense appropriations bill. A multitude of amendments are expected, so a vote on final passage will not come until Thursday.
The Senate starts at 9:30 a.m. and will spend the day debating a "minibus" spending bill.
Members will also vote on a motion to go to conference with the Senate on the Department of Veterans Affairs reform bills each chamber has passed.
On Tuesday, Senate Veterans Affairs Committee Chairman Bernie SandersBernie SandersFormer Gillibrand aide wins NY House primary Sanders-backed candidate wins NY House primary The Trail 2016: 11 hours, 800 pages, 0 changed minds MORE (I-Vt.) said he hopes conferees will be named, who will quickly iron out differences between the two measures.