confederacy
The logo for the US Navy is a bald eagle with spread wings, stood in front of the US flag. The logo for the US Navy Seals, however is a bald eagle on an ancor, in front of a ship.
No you can not use it as a logo.
North American Airlines, displays some of the US flag on its tail as a logo. Although not the whole flag is shown, it can be presumed it is represent USA. Although not an Airline, the presidents AIR FORCE 1, displays a small but full USA flag on the Tail of the plane.
no, it is a symbol.
Because it would be shameful to show pride in one's flag colors. :-(
Evernote
Jehovah's witnesses don't have flag but they have a logo.
Amtrak
Absolutely ! A country's flag is public property.
A gray apple with a bite in it.
The country with a red, blue, and gray flag is the flag of the Republic of Crimea, a region within Ukraine that was annexed by Russia in 2014. The flag features horizontal stripes of red, blue, and gray. However, if you're referring to a national flag, there isn't a recognized sovereign nation with a flag that exactly fits that description.
italian