located_in_the_administrative_territorial_entity march field air museum
___MASK93___ is a city in ___MASK59___ , California , United States , located in the Inland Empire metropolitan area . ___MASK93___ is the county seat of the eponymous county and named for its location beside the Santa Ana River . It is the most populous city in the Inland Empire and in ___MASK59___ , and is located about east of Los Angeles . It is also part of the Greater Los Angeles area . ___MASK93___ is the 59th most populous city in the United States and 12th most populous city in California . As of the 2010 Census , ___MASK93___ had a population of 303 , 871 . A county seat is an administrative ___MASK90___ , seat of government , or capital city of a county or civil parish . The term is used in the United States , Canada , Romania , ___MASK65___ and Taiwan . In the United Kingdom and Ireland , county towns have a similar function . Pacific Air Forces ( PACAF ) is a Major Command ( MAJCOM ) ___MASK76___ the United States Air Force and is also the air component command ___MASK76___ the United States Pacific Command ( USPACOM ). PACAF is headquartered at Joint Base Pearl Harbor - Hickam ( former Hickam AFB ), Hawaii , and is one ___MASK76___ two USAF MAJCOMs assigned outside ___MASK76___ the Continental United States , the other being the United States Air Forces in Europe - Air Forces Africa . Over the past sixty - five plus years , PACAF has been engaged in combat during the Korean and Vietnam Wars and Operations Desert Storm , Southern Watch , ___MASK77___ Watch , Enduring Freedom and Iraqi Freedom . The Greater ___MASK17___ Area is the second - largest urban region in the United States , encompassing five counties in ___MASK11___ , extending from ___MASK40___ in the west to San Bernardino County and ___MASK59___ on the east , with ___MASK17___ County in the center and Orange County to the southeast . The March Field Air Museum is an aviation museum near Moreno Valley and ___MASK93___ , California , adjacent to March Air Reserve Base . Clothing ( also called clothes and attire ) is fiber and textile material worn on the body . The wearing ___MASK76___ clothing is mostly restricted to human beings and is a feature ___MASK76___ nearly all human societies . The amount and type ___MASK76___ clothing worn depends on body type , social , and geographic considerations . Some clothing types can be gender - specific . History ( from Greek , " historia ", meaning " inquiry , knowledge acquired by investigation ") is the study ___MASK76___ the past as it is described in written documents . Events occurring before written record are considered prehistory . It is an umbrella term that relates to past events as well as the memory , discovery , collection , organization , presentation , and interpretation ___MASK76___ information about these events . Scholars who write about history are called historians . The ___MASK57___ River is the largest river entirely within ___MASK11___ in the United States . Its drainage ___MASK32___ spans four counties . It rises in the ___MASK61___ Mountains and flows past the cities ___MASK76___ ___MASK61___ and ___MASK93___ , before cutting through the northern tip ___MASK76___ the ___MASK57___ Mountains and flowing southwest past ___MASK57___ to drain into the Pacific Ocean . The ___MASK57___ River is long , and drains a watershed ___MASK76___ . An aviation museum , air museum , or aerospace museum is a museum exhibiting the history and artifacts ___MASK76___ aviation . In addition to actual or replica aircraft , exhibits can include photographs , maps , models , dioramas , clothing and equipment used by aviators . The Air National Guard ( ANG ), also known as the Air Guard , is a federal military reserve force as well as the militia air force ___MASK76___ each U . S . state , the District ___MASK76___ Columbia , the Commonwealth ___MASK76___ Puerto Rico , and the territories ___MASK76___ Guam and the U . S . Virgin Islands . It , along with each state ' s Army National Guard component , makes up the National Guard ___MASK76___ each state and the districts , commonwealths and territories as applicable . ___MASK17___ ( Spanish for " The Angels "), officially the City ___MASK76___ ___MASK17___ and often known by its initials L . A ., is the second - most populous city in the United States ( after New York City ), the most populous city in California and the county seat ___MASK76___ ___MASK17___ County . Situated in Southern California , ___MASK17___ is known for its mediterranean climate , ethnic diversity , sprawling metropolis , and as a major ___MASK90___ ___MASK76___ the American entertainment industry . ___MASK17___ lies in a large coastal basin surrounded on three sides by mountains reaching up to and over . March Air Reserve Base ( March ARB ), previously known as March Air Force Base ( March AFB ) is located in ___MASK59___ , California between the cities of Riverside and Moreno Valley . It is the home to the Air Force Reserve Command ' s 4th Air Force ( 4 AF ) Headquarters and the host 452d Air Mobility Wing ( 452 AMW ), the largest air mobility wing of the 4th Air Force . In addition to multiple units of the Air Force Reserve Command supporting Air Mobility Command , Air Combat Command and Pacific Air Forces , March ARB is also home to units from the Army Reserve , Navy Reserve , Marine Corps Reserve , California Air National Guard and the California Army National Guard . For almost 50 years , March AFB was a Strategic Air Command base during the Cold War . The Cold War was a state ___MASK76___ political and military tension after World War II between powers in the Eastern Bloc ( the Soviet Union and its satellite states ) and powers in the Western Bloc ( the United States , its NATO allies and others ). Historians do not fully agree on the dates , but a common timeframe is the period ( the second half ___MASK76___ the 20th century ) between 1947 , the year the Truman Doctrine ( a U . S . policy pledging to aid nations threatened by Soviet expansionism ) was announced , and 1991 , the year the Soviet Union collapsed . A museum is an institution that cares for ( conserves ) a collection ___MASK76___ artifacts and other objects ___MASK76___ artistic , cultural , historical , or scientific importance and some public museums make them available for public viewing through exhibits that may be permanent or temporary . Most large museums are located in major cities throughout the world and more local ones exist in smaller cities , towns and even the countryside . Museums have varying aims , ranging from serving researchers and specialists to serving the general public . The goal ___MASK76___ serving researchers is increasingly shifting to serving the general public . The Air Force Reserve Command ( AFRC ) is a Major Command ( MAJCOM ) ___MASK76___ the United States Air Force , with its headquarters at Robins Air Force Base , Georgia . It is the federally controlled Air Reserve Component ( ARC ) ___MASK76___ the U . S . Air Force , consisting ___MASK76___ duly appointed commissioned officers and enlisted airmen . The 452d Air Mobility Wing is an Air Reserve Component ___MASK76___ the United States Air Force . It is assigned to the Fourth Air Force , Air Force Reserve Command , stationed at March Air Reserve Base , California . If mobilized , the Wing is gained by the Air Mobility Command . The ___MASK38___ Air National Guard ( CA ANG ) is the air force militia ___MASK76___ the U . S . State ___MASK76___ ___MASK38___ . It is , along with the ___MASK38___ Army National Guard , an element ___MASK76___ the ___MASK38___ National Guard . Air Mobility Command ( AMC ) is a Major Command ( MAJCOM ) ___MASK76___ the U . S . Air Force . AMC is headquartered at Scott Air Force Base , Illinois , east ___MASK76___ St . Louis , Missouri . The ___MASK38___ National Guard is the land force component ___MASK76___ the ___MASK38___ National Guard , one ___MASK76___ the reserve components ___MASK76___ the United States Army and is part ___MASK76___ the National Guard ___MASK76___ the United States . The ___MASK38___ Army National Guard is composed ___MASK76___ about 20 , 000 soldiers . Nationwide , the Army National Guard comprises approximately one half ___MASK76___ the US Army ' s available combat forces and approximately one third ___MASK76___ its support organization . National coordination ___MASK76___ various state National Guard units are maintained through the National Guard Bureau . ___MASK38___ is the most populous state in the United States and the third most extensive by area . Located on the western ( ___MASK43___ ) coast of the U . S ., ___MASK38___ is bordered by the other U . S . states of Oregon , Nevada , and Arizona and shares an international border with the Mexican state of Baja ___MASK38___ . The state capital is ___MASK3___ . Los Angeles is ___MASK38___ ' s most populous city , and the country ' s second largest after ___MASK45___ City . The state also has the nation ' s most populous county , Los Angeles County , and its largest county by area , San Bernardino County . Strategic Air Command ( SAC ) was both a Department ___MASK76___ Defense Specified Command and a United States Air Force ( USAF ) Major Command ( MAJCOM ) responsible for Cold War command and control ___MASK76___ two ___MASK76___ the three components ___MASK76___ the U . S . military ' s strategic nuclear strike forces , the so - called " Nuclear Triad ," with SAC having control ___MASK76___ land - based strategic bomber aircraft and intercontinental ballistic missiles or ICBMs ( the other being submarine - launched ballistic missiles ( SLBM )). SAC also operated all strategic reconnaissance aircraft , all strategic airborne command post aircraft , and all USAF aerial refueling aircraft , to include those in the Air Force Reserve ( AFRES ) and Air National Guard ( ANG ), with the exception ___MASK76___ those KB - 50 , KC - 97 , HC - 130 and MC - 130 aircraft operated by Tactical Air Command ( TAC ), Military Airlift Command ( MAC ), and from 1990 onward , the Air Force Special Operations Command ( AFSOC ), or associated AFRES and ANG aerial refueling aircraft gained by TAC , MAC or AFSOC . An aircraft is a machine that is able to fly by gaining support from the air . It counters the force ___MASK76___ gravity by using either static lift or by using the dynamic lift ___MASK76___ an airfoil , or in a few cases the downward thrust from jet engines . Aviation is the practical aspect or art ___MASK76___ aeronautics , being the design , development , production , operation and use ___MASK76___ aircraft , especially heavier than air aircraft . The word " aviation " was coined by French writer and former naval officer Gabriel La Landelle in 1863 , from the verb " avier " ( synonymous flying ), itself derived from the Latin word " avis " (" bird ") and the suffix "- ation ". Air ___MASK68___ Command ( ACC ) is one ___MASK76___ ten Major Commands ( MAJCOMs ) in the United States Air Force , reporting to Headquarters , United States Air Force ( HAF ) at the Pentagon .