NET
16 So as Joab kept watch on the city, he stationed Uriah at the place where he knew the best enemy soldiers were.
Darby
16 And it came to pass as Joab watched the city, that he assigned Urijah to a place where he knew that the valiant men were.
KJV
16 And it came to pass, when Joab observed the city, that he assigned Uriah unto a place where he knew that valiant men [were].