Immigration Impact reports on the USCIS memo (in PDF here) regarding granting "parole in place" to non-citizen family members of current and former military personnel:
The memo indicates that the noncitizen family members may be afforded “parole in place.” “Parole in place” is a discretionary tool that allows a noncitizen who is in the United States without authorization to remain here, at least temporarily.
The memo notes that parole in place can be granted in 1-year increments absent "a criminal conviction or other serious adverse factors..."