He said one possible explanation, based on the presence of live ammunition on board the helicopter, could be that the crew got into difficulties while going through strenuous "battle-ready" preparations.
It has also gone through strenuous intellectual gymnastics to prove that the elephants and other animals described in the Book of Mormon existed at the time of the North American occupation by the Israelite tribes.
"It's difficult, and the process is tedious and strenuous, but it's just something you have to go through," DJ Drama, whose real name is Tyree Simmons, said in an interview this week.
He's going to go through a strenuous weight program this summer.
All are required to go through a strenuous, weeklong orientation, she said.
To get to that point, all its systems must go through a strenuous check-out process.
Farmers who go through the strenuous activity of shelling would complete the cycle by selling at market centres to fetch higher returns to compensate for their efforts.
They have to go through a strenuous Turning Point experience to dry out permanently.
For those of you who have weird alien hair, you won't have to go through a strenuous conditioning regimen, but most people will need to condition thoroughly.
After going through a strenuous practice on Saturday, Camby, who has an injured left heel, could not practice today.
