NAVAIR hosts a Future Airborne Capability Environment (FACE) Industry Day
https://www.fbo.gov/utils/view?id=a0b92d62aff76d606f43680f2ef0df68
DARPA Solicitation References the FACE Technical Standard
https://www.fbo.gov/index?s=opportunity&mode=form&tab=core&id=4190e31c148af1982af535ace9ba8c4c&_cview=0