As Landships. Armies had never utilized hatches, turrets, or internal cannons; consequently, armies had to turn to the Navy for technology. The first cannons (guns) installed in tanks were Naval guns. The nomenclature for tanks were adapted from Naval terms: hatches, turrets, sponson boxes, back decks, bow machine guns, and the hull, etc. The first tanks were designed by Naval architects.
The first tanks were constructed of riveted steel. During the Vietnam War, the M48 Patton tanks were built of cast one piece steel. After the war, today's tanks are made of classified synthetics.
The plant kingdom
Linnaeus originally classified fungi as part of the plant kingdom.
British Mk 1's thru V; French Renaults. All of the machines were originally classified as LANDSHIPS by Britain. Female MK 1's were armed with machineguns and the male MK 1's were armed with cannons.
The subject line of a classified email is used as a banner line that marks the overall classification of the email
they are found in collection tanks around the world but originally found in China
The line that will always appear on originally classified information but not on derivatively classified information is the "Classification Authority" block. This block indicates the original classification authority responsible for the information. In contrast, derivatively classified information typically includes a reference to the original source but does not have its own classification authority line.
The first line of the classification authority block for originally classified information typically includes the marking "CLASSIFIED BY" followed by the name or title of the individual who authorized the classification, along with their position and the date of classification. This indicates who is responsible for the classification decision and when it was made.
Prior to 1950, the US Army classified it's armor (tanks) by weight; Heavy, Medium, and Light tanks. From 1950 up until 1960, the Army reclassified tanks according to their gun size; 120mm Heavy Gun, 90mm Medium Gun, and 76mm Light Gun Tanks. From 1960 to the present, beginning with the M60 'Combat' series tank, the US Army classifies it's tanks as Main Battle Tanks (MBT's).
Derivative classification
Derivative classification
That was originally a German tactic. A Sherman Sheperd dog was trained to get under a tank with a pack on the back. When faced by enemy tanks, the pack was loaded with explosives which exploded the tank and the dog.