In the spring, at the time when kings go out to war, Joab led the army and ravaged the land of the Ammonites. He went to besiege Rabbah, but David stayed in Jerusalem. Joab attacked Rabbah and destroyed it.
And it came to pass, that after the year was expired, at the time that kings go out to battle, Joab led forth the power of the army, and wasted the country of the children of Ammon, and came and besieged Rabbah. But David tarried at Jerusalem. And Joab smote Rabbah, and destroyed it.