The phrase "armored shell" is correct and usable in written English.
It can be used to describe a protective outer layer, often in contexts related to animals, technology, or metaphorical uses.
Example: "The turtle retreated into its armored shell to protect itself from predators."
Alternatives: "protective casing" or "defensive exterior".
Chad Stroup was riding with a group of his comrades in a personnel carrier when he heard the banging of bullets on the vehicle's armored shell.
In a telling turnaround of imagery, at the end of the opera, when Isolde confronts the dying Tristan, she stands again at the end of that metal table, this time facing not the armored shell of Morold but the human shell of her beloved.
The total weight of the armored shell and the bulletproof glass was 1918 kg.
Our vulnerability to this attack was not something predetermined, like the cyclical shedding of a lobster's armored shell.
As was traditional with Ilyushin's ground attack aircraft the Il-20 used a load-bearing armored shell to protect the pilot and gunner as well as the engine, fuel, lubrication and cooling systems.
As was traditional for Ilyushin ground-attack aircraft the core of Il-40's structure was a load-bearing armored shell that protected both crew positions, six fuel tanks and part of the radio and electrical equipment.
As adults, the turtles' armored shells protect them from many potential predators, but they still occasionally fall prey to alligators, ospreys, crows, red-shouldered hawks, bald eagles, and especially raccoons.
"If we had enough weapons, I would not be here," said Ahmed Shirksy, a welder fitting an armored plate to a pickup truck's bed on Monday morning, as shells fell in neighborhoods nearby.
Penetration of armored plate inclined at 30 degrees was 202 and at 100 m and 2000 m respectively for the Panzergranate 39/43 projectile (PzGr armor-piercing shell), and 238 and for the PzGr armor-piercing
The novel is set in 1968, one year into the Biafran conflict, and Ijeoma's world is beset by "the ruckus of armored cars and shelling machines, bomber planes and their loud engines sending shock waves through our ears".
There has been speculation that Mr. Assad used the distraction of the Mubarak trial to order his security forces to seize the restive city of Hama, where dozens of people have been killed since Syrian armored columns first shelled the city on Sunday.
