Soldiers need to be able to communicate on a noisy, dangerous battlefield even when conventional means of communication are unavailable.
To help meet that need, the US Army has just updated its compilation of hand and flag signals.
One configuration of flags signifies “Chemical, biological, radiological, and nuclear hazard present”:

Or a soldier may need to signal “I do not understand,” as follows:

See Visual Signals for Armor Fighting Vehicles (Combined Arms), GTA 17-02-019, US Army, February 2018.
It is in the interests of the United States to appropriately protect information that needs to be protected while maintaining our participation in new discoveries to maintain our competitive advantage.
The question is not whether the capital exists (it does!), nor whether energy solutions are available (they are!), but whether we can align energy finance quickly enough to channel the right types of capital where and when it’s needed most.
Our analysis of federal AI governance across administrations shows that divergent compliance procedures and uneven institutional capacity challenge the government’s ability to deploy AI in ways that uphold public trust.
From California to New Jersey, wildfires are taking a toll—costing the United States up to $424 billion annually and displacing tens of thousands of people. Congress needs solutions.