Submarines don't have windows, at least not any that are used for viewing outside of the hull while submerged. They are used in some submarines as bridge viewing windows, but they're subjected to ambient sea pressure when the boat submerges, not direct sea pressure like the hull is.
an army submarines pulls up on the beach, saving the boys
Turtle; piloted by Sgt. Lee, American Continental Army.
The TURTLE piloted by Sgt. Lee, American Continental Army 1776.
American, David Bushnell, 1776, the TURTLE; piloted by Sgt. Lee, American Continental Army.
it's army was reduced and limited to 100000, because the Allied nations hoped this would prevent another war. it's navy was stunted by the banning of submarines
Observational ones yes, but not those used in the forces. You cant really see that far at depth, so they 'see' using sonar.
No.It is only used to power Army based ships such as Aircraft Carriers and Submarines.
So far I have only tested Army Men 1, but that one does work perfectly. (Windows 7 Professional 64 Bit)
Yes, extremely thick plate glass has been used for windows, and glass is also utilized for external cameras.
Army Navy Tactical Shelter with Windows
Human Resources: Peoples Republic of ChinaEquipment (Planes, Nukes, Submarines etc): United State of America followed by the Russian Federation.