China has put new focus on airships hovering in a part of the sky just before outer space. Although Beijing says they're scientific, analysts say the data helps the country develop advanced weapons.
The meeting is the highest level of contact between the two nations since the discovery of a Chinese balloon in U.S. airspace at the beginning of this month.
The U.S. and China have traded fiery allegations of extensive aerial surveillance programs since the U.S. shot down a Chinese balloon on Feb. 4. Here's a look at what's happened so far.