Joshua 4:13

4:13 About forty thousand battle-ready troops marched past the Lord to fight on the plains of Jericho.

Joshua 8:3

8:3 Joshua and the whole army marched against Ai. Joshua selected thirty thousand brave warriors and sent them out at night.

Joshua 8:12

8:12 He took five thousand men and set an ambush west of the city between Bethel and Ai.