Indeed.
So with this lack of information: Why 10 days? Why not 3, or 12, or some other number instead?
Or: Why must there be a number?
Is the officious equivalent of "We've got some shit to deal with, so El Paso's airspace is closed for now" insufficient?
> Or: Why must there be a number?
NOTAMs require a range of timestamps for which they're in effect.
CNN is now reporting that the FAA had a meeting scheduled with the DoD on the 20th to discuss use of the system, but someone decided to use the system earlier. (The 20th is one day short of 10 days.) They also report that CBP was operating it.
https://lite.cnn.com/2026/02/11/us/faa-el-paso-texas-flight-...