Here is the announcement from ARRL website.
08/14/2019 | Navajo Code Talkers
Aug 14-Aug 18, 0000Z-0000Z, N7C, Window Rock, AZ. Herbert Goodluck. 14.265 7.265 18.133. Certificate & QSL. Herbert Goodluck, PO Box 06, Chinle, AZ 86503. N7C special event station commemorating the Navajo Code Talkers of WWII South Pacific Certificate & QSL USD $5.00
Attaching a picture of two Code Talkers.