Something funny occurred to me while reading this thread. I've flown in the CH-47 Chinook a number of times and the CH-46 Sea Knight a few; but, I don't remember ever landing in either of them! They were all
airborne operations (some static-line, some HALO).
The only serious problem I've experienced with military helicopters was during a stateside desert training mission. An Air Force Reserve unit sent 2 Sikorsky CH-3Es in support of operations (getting their pilots' required flight hours). My A-Team had been in one doing a daytime HAHO exercise from 18,000 ft. Later that evening, another A-Team was doing a night infiltration exercise in the other CH-3E when it had a mechanical breakdown, crashed and burned killing all aboard, flight crew and A-Team. The CH-3E I had been in earlier that day participated in the latter exercise without incident; but, was immediately grounded after the other one crashed. Airborne operations ceased for a couple days of mourning, then resumed with C-130s.
Story: https://pacaeropress.websitetoolbox....505692-4496186
Aircraft: http://www.nationalmuseum.af.mil/Vis...sky-ch-3e.aspx