Original sentence: The entire scheme was designed to stop shells at very shallow angles of attack.The idea being to cause the armor piercing shells to burst on the thin armor and have it caught on the even thinner 1" STS steel plate deck below the decapping armor above
Edited sentence: The entire horozontal armor scheme was designed to stop shells at very shallow angles of attack.The idea being to cause the armor piercing shells to burst on the thin deck armor and have it caught on the even thinner 1" STS steel plate deck below the decapping armor above