Squadron
Formation
Sortie
a fleet
A large group of warships is called a fleet. Fleet typically consists of multiple types of ships including battleships, aircraft carriers, destroyers, and submarines, and is often organized by a navy for specific military operations.
Squadron Leader.
No passenger aircraft can be idle in the air. Only a few number of military aircraft can do that. It is called hovering.
Vickers F.B.5 Gunbus
Vickers F.B.5 Gunbus
Vickers F.B.5 Gunbus
Aircraft built by the military to refuel other capable aircraft (other military craft basically) in midair.
Military aircraft are built to fight or to aid in a war effort.
There are no current military aircraft with 6 engines.