The report compared this with the situation in China where, between 2000 and 2012, the PLA grew its hardened aircraft shelters
from 92 to 312 across 39 air bases within 800km of Taipei.
Incirlik Air Base has one 3,048 m (10,000 ft)-long runway, located among about 57 Hardened Aircraft Shelters
Additional security measures - such as hardened aircraft shelters
, minefields and ground surveillance radars - will also need to be installed.
On 19 March 2011, B-2 stealth bombers departed Whiteman AFB, Missouri, to strike 45 hardened aircraft shelters
Laage's well-concealed and scattered hardened aircraft shelters
and flight line alert facilities still bear witness to the Cold War struggle between the East and West.
Most North Atlantic Treaty Organization bases have blast-resistant hardened aircraft shelters
designed to protect fighter-sized aircraft in a nuclear, chemical, or biological environment--a capability that may not exist at expeditionary bases in many parts of the world.