![](https://www.historynet.com/wp-content/uploads/2017/06/GreenlandPBY-960_640.jpg)
Balchen delivered this dogsled team via PBY-5A to a camp near the B-17 crash site to retrieve the last three crewmen. (National Archives)
Balchen delivered this dogsled team via PBY-5A to a camp near the B-17 crash site to retrieve the last three crewmen. (National Archives)