Rescue mission for stranded Russian crew and passengers of SS Chelyuskin

The transcript discusses an expedition led by chief pilot Levandofsky, highlighting the challenges of navigating through Siberia. The speaker expresses well-wishes for the expedition and shares a personal reunion with two Russian pilots. The narrative also touches on past experiences, including the discovery of Ben Eielson's body after a crash in Siberia.

What does the speaker wish for the chief pilot Levandofsky?

What unfortunate event is referenced concerning Ben Eielson and Bolin?