The U.S. Defense Security Cooperation Agency has informed Congress that Australia is keen to buy three more CH-47Fs.
By Maj. Will Cox (https://www.dvidshub.net/image/1149892) [Public domain], via Wikimedia Commons
The DSCA notice said Australia is replacing its CH-47D with the CH-47F.
[thumb]http://dsca.mil/major-arms-sales/australia-ch-47f-aircraft[/thumb]