Yes. Several aluminum alloy's particularly 7075 series
Anode rods are used in RV and home hot water heaters. Aluminum tanks are not required to have an anode rod where steel tanks usually are.
Most fuel tanks are made of steel or plastic.
Panzer
Yes!
Tanks are usually sold through private collectors or military suppliers. They are sold without a functional canyon, and are used mostly for show purposes.
One can find information on military tanks from encyclopedias, both online and off, as well as books focused on the military. Online websites that offer interesting information on tanks include Military Factory and Military-Today.
Caterpillar built the first tanks for the U.S. Military. Ford Motor Company was the first automobile manufacture to build a tank for the U.S. Military.
The military arrived with their tanks and guns.
Tanks
Machine guns (automatic), tanks, poison gas, airplanes used for aerial combat were used in the military for the first time in WW I
Groups that used convoys include the military and truck drivers. The military is best known for using convoys when they are in war time situations. They will have a long line of trucks and tanks.