Numbers 32:20-24 records the original command Moses gave to Reuben and Gad to cross armed before Israel.

Joshua 1:12-15 recalls this same command as Joshua reminds the tribes to fulfill their promise.

Joshua 4:12 records the fulfillment as the tribes crossed armed before the Israelites, as commanded here.

Joshua 4:13 gives the number of armed men (40,000) who crossed, directly fulfilling this command.

Joshua 22:1-9 describes Joshua dismissing the tribes after they fulfilled their duty, completing the narrative.

Numbers 32:17 records the tribes’ pledge to arm themselves quickly and lead Israel, responding to this command.

Joshua 1:13 directly quotes Moses' command to the tribes, reminding them of the promise of rest.