Numbers 1:50
Instead, you are to appoint the Levites over the tabernacle of the testimony, all its furnishings, and everything in it. They shall carry the tabernacle and all its articles, care for it, and camp around it.

Numbers 1:53
But the Levites are to camp around the tabernacle of the Testimony and watch over it, so that no wrath shall fall on the Israelite congregation. So the Levites are responsible for the tabernacle of the Testimony."

Numbers 9:15
On the day that the tabernacle, the Tent of the Testimony, was set up, the cloud covered it and appeared like fire above the tabernacle from evening until morning.

Numbers 17:4
Place the staffs in the Tent of Meeting in front of the Testimony, where I meet with you.

Numbers 17:6
So Moses spoke to the Israelites, and each of their leaders gave him a staff--one for each of the leaders of their tribes, twelve staffs in all. And Aaron's staff was among them.