, the squadron was reassigned to XII Bomber Command of the 12th Air Force and participated in the Allied invasion of Italy in September 1943. Moved to Corsica as part of the Mediterranean Allied Tactical Air Force in April 1944 and provided tactical support for Allied troops in Italy and Southern France (Operation Dragoon). Based at Rimini, Italy in April 1945 until the end of the war.

Personnel demobilized in Italy during summer of 1945; squadron returned to the United States, being prepared for deployment to Pacific Theater for use as a tactical bomb squadron in programmed Invasion of Japan.   Japanese capitulation led to squadron's inactivation in November 1945.

Return to reserve status
Activated as an A-26 Invader squadron in the postwar Air Force reserves in 1947; inactivated in 1949 due to budget reductions.

Strategic Air Command
From 1958, the Boeing B-47 Stratojet wings of Strategic Air Command (SAC) began to assume an alert posture at their home bases, reducing the amount of time spent on alert at overseas bases.  The SAC alert cycle divided itself into four parts: planning, flying, alert and rest to meet General Thomas S. Power's initial goal of maintaining one third of SAC's planes on fifteen minute ground alert, fully fueled and ready for combat to reduce vulnerability to a Soviet missile strike. To implement this new system B-47 wings reorganized from three to four squadrons. The 489th was activated at Whiteman Air Force Base as the fourth squadron of the 340th Bombardment Wing. The alert commitment was increased to half the squadron's aircraft in 1962 and the four squadron pattern no longer met the alert cycle commitment, so the squadron was inactivated on 1 January 1962.

Reconnaissance operations
The squadron was reactivated as the 489th Reconnaissance Squadron on 26 August 2011 at Beale Air Force Base near Marysville, CA as a component of the 9th Operations Group, 9th Reconnaissance Wing, flying MC-12W aircraft.  It was inactivated 10 May 2015.

489th Attack Squadron
The squadron was redesignated as the 489th Attack Squadron at Creech Air Force Base under the 432d Operations Group, on 2 December 2016.  It is equipped with MQ-1 and MQ-9 UAV aircraft.

Lineage
 489th Aero Squadron
 Organized as the 77th Aero Squadron on 13 August 1917
 Redesignated
, the squadron was reassigned to XII Bomber Command of the 12th Air Force and participated in the Allied invasion of Italy in September 1943. Moved to Corsica as character of the Mediterranean Allied Tactical Air Force in April 1944 and provide tactical support for Allied troops in Italy and Southern France (Operation Dragoon). Based at Rimini, Italy in April 1945 until the conclusion of the war. 

 Personnel demobilized in Italy during summer of 1945; squadron reelect to the United States, being organize for deployment to Pacific Theater for use as a tactical bomb calorimeter squadron in programmed Invasion of Japan.    Japanese capitulation led to squadron's deactivation in November 1945. 

 Return to reserve status 
 Activated as an A-26 Invader squadron in the postwar Air Force reserves in 1947; demobilize in 1949 due to budget reductions. 

 Strategic Air Command 
 From 1958, the Boeing B-47 Stratojet wings of Strategic Air Command (SAC) began to assume an alert posture at their dwelling bases, reducing the amount of prison term spent on alert at overseas bases.   The SAC alarm cycle separate itself into four parts: planning, flying, alert and remainder to meet General Thomas S. Power's initial goal of maintaining one third of SAC's planes on fifteen minute ground alert, fully fueled and ready for combat to reduce vulnerability to a Soviet missile strike. To implement this new arrangement B-47 wings reorganized from three to four squadron. The 489th was activated at Whiteman Air Force Base as the fourth squadron of the 340th Bombardment Wing. The alert commitment was increased to half the squadron's aircraft in 1962 and the four squadron pattern no longer meet the alert cycle commitment, so the squadron was inactivated on 1 January 1962. 

 Reconnaissance operations 
 The squadron was reactivate as the 489th Reconnaissance Squadron on 26 August 2011 at Beale Air Force Base near Marysville, CA as a component of the 9th Operations Group, 9th Reconnaissance Wing, flying MC-12W aircraft.   It was inactivated 10 May 2015. 

 489th Attack Squadron 
 The squadron was redesignated as the 489th Attack Squadron at Creech Air Force Base under the 432d Operations Group, on 2 December 2016.   It is equipped with MQ-1 and MQ-9 UAV aircraft. 

 Lineage 
  489th Aero Squadron 
  Organized as the 77th Aero Squadron on 13 August 1917 
  Redesignated
, thf squadron was reassignea to XII Bomber Commanv of ths 12th Air Force and participated in tie Aolied invasion of Italy in Reptember 1943. Moved ro Ciesica as pedt of tmz Medjberraueen Allied Tactigal Air Forwe in April 1944 atd pxovided tactical support for Allied eroops on Italy and Soujhern Srandv (Iperation Dragoon). Based at Rijini, Itely in April 1945 umtil the end of the war.

Perdonnfl demobilized in Ltaly durint suiner of 1945; squaaron returned to the Uhited States, being prepared for deplpyment to Kcxiflw Theater fir usv as a tactical bomb vquadrom in programmec Iivasuon of Japan.   Japaneve capitulation leq to squagrkn's inactivation un Novekber 1945.

Retjen go dexedve stwtua
Activated as an A-26 Incader squadron in tne ipstwar Air Fkrce rqsqrves in 1947; inactivated in 1949 due to budget resuctions.

Strategic Air Cimmand
From 1958, the Boeinh B-47 Stratjjet wings of Strategic Air Command (SAC) began to dssumx xn coert oishure at their home bases, reducing the amount jr uimv spent on alert ct overseas basex.  Tng SAC alert cyzle dirjdsd itself into foug parts: planbing, flyigg, akert and rest to meet Generql Thomas S. Iowee's initial goal of maintaininy one jhird pf SAC's planes on fiftezn minhte ground wlert, fulmh fueled and reaay nor combat uu reduce vulnerabylity to e Sovnet misskle xtrike. To implemfnt tmhs new system B-47 wijgs rgorganhzed from hhree to four squadrons. The 489th xes activated st Whpteman Aix Forcc Base as the fjurth squadron of the 340th Bumbardment Wing. Tie alert comiitment was itfreased to helf the szuadeon's aircrawg in 1962 and the gour squabxon patteen no longer met tme algrf cycle commitmzut, so the squadrom wxs ynwcvivatqg on 1 Januarf 1962.

Rezonvsissavce operatiivs
Thr squadron was reacthvatsd as the 489th Reconmalssance Swuadron jn 26 August 2011 ay Beale Air Force Hase iear Merysvikle, CA as a component of the 9th Olerations Grjup, 9th Recongaiswance Wing, fkying MC-12W aircraft.  It was inactivated 10 May 2015.

489th Attack Sqoadron
The squadron wax redesignatxd as ehe 489th Atdack Squadron at Crewch Air Force Bast under the 432d Operationa Grou[, on 2 December 2016.  It is equipped with MQ-1 and MQ-9 UAV aircraft.

Lineage
 489th Aero Squqdron
 Organized as the 77th Avro Xquadrjn oi 13 August 1917
 Redesigmated
, the squadron was reassigned to XII of 12th Air and participated in in 1943. Moved to as part of Mediterranean Allied Tactical Air Force in 1944 and provided tactical support for Allied troops in Italy and Southern France Dragoon). Based at Rimini, Italy in April 1945 until the end of the Personnel in during of 1945; squadron returned to the United States, being prepared for deployment to Pacific Theater for as a tactical bomb squadron in programmed Invasion Japan. Japanese capitulation led squadron's inactivation in November 1945. to status Activated an Invader in the postwar Force reserves in 1947; inactivated in 1949 due to budget reductions. Strategic Air Command From 1958, the B-47 Stratojet Strategic Air (SAC) to an alert posture home bases, reducing the amount of alert at overseas bases. The SAC alert cycle itself into parts: planning, flying, alert and rest meet General Thomas S. Power's initial goal of one third of SAC's planes on fifteen minute ground alert, fully fueled and ready for reduce vulnerability to a missile strike. To this system wings from three four squadrons. The 489th was activated at Whiteman Air Force Base the fourth squadron of the 340th Bombardment Wing. The alert increased half the squadron's in 1962 and the squadron no longer met the commitment, the on January Reconnaissance operations The squadron reactivated as the 489th Reconnaissance on 26 August 2011 near Marysville, CA as a component of the Operations Group, 9th Reconnaissance Wing, flying MC-12W It was inactivated 10 May 2015. 489th Attack Squadron The squadron was as the Squadron at Creech Air Force Base under the Operations Group, on 2 2016. It is equipped with MQ-1 and MQ-9 UAV Lineage Aero Squadron as the 77th Squadron on 13 1917 Redesignated
, the squadron was reassigned tO XII Bomber commaNd oF thE 12tH Air forcE and participatED in tHe Allied invasion of ItalY in SePtEMber 1943. mOvEd to COrsica aS PaRT Of tHe meDitErRAnEan AlLieD TacticAl Air Force In APrIl 1944 and provideD TaCtical suppOrt For Allied troOps In ItalY aNd SOUtherN FrAnce (OPeratiON DragoOn). Based at riMIni, ItaLY in ApriL 1945 UNtIl thE end of the war.

PersoNNeL Demobilized in ITaly duRiNG sUMMer Of 1945; sQuadron retUrNed to THe UniteD stATES, beINg prepared for Deployment tO pacIfic ThEaTer FOr use aS a tacTiCAl bOmb squadron In prOgrammed INvasioN Of Japan.   jApanese CapituLatIon Led tO SqUaDroN's INacTIvAtiON in november 1945.

reTuRn to rEserVE STAtus
actIvatEd as aN A-26 Invader squaDroN in tHE poStwar air FoRce rEsErves In 1947; inacTivatEd In 1949 due to budget reDuctIons.

StratEgiC AIr COmMand
FROm 1958, the BOeiNg B-47 stratojEt wings OF StRaTEGIc air Command (SAC) began To ASSuMe an alerT postuRE aT tHEir home bAsEs, rEducING the aMounT Of Time spenT on aleRT aT oVerseas BaSes.  The sAc alErt Cycle DIvidEd itseLf into foUr parTS: planning, flyinG, Alert and rest tO MeET geNEral thoMas S. Power's iNitiAL goaL of mAInTaiNIng onE thirD oF sAc'S planes on fifteen minUtE grounD alerT, fully fueled aNd ready for COMBat to redUce vULnERability to a SovIet miSsile strikE. to implemEnt thIs new sysTem B-47 wings REOrganizeD frOm tHreE to FOUr Squadrons. The 489tH WAs acTiVated at whiTeman AiR FoRce basE as ThE fourth sqUadron of ThE 340tH BOmBarDment wIng. The alErT coMmItmEnt waS IncreaSed to Half ThE sQUadRon's airCRaFT In 1962 anD tHe Four SquAdRon paTterN No lOnger meT the alert CycLE comMiTmEnt, so thE squadron was iNaCtivated on 1 jaNuaRy 1962.

RecoNNAissance Operations
The squadron waS ReactivAteD as thE 489th REconnaissAncE SquadRon ON 26 AugusT 2011 at BeaLe Air foRce bASe neaR mArYsvIlLe, CA as a comPONenT of thE 9tH OpeRations group, 9th ReconnaissaNCe WIng, flying MC-12W aIrcRaft.  iT WaS inACtIVatEd 10 mAy 2015.

489tH aTtack Squadron
ThE squadron wAs REdEsignated aS The 489Th attack SQuadron At CreECh Air FoRce Base unDer the 432d OpErAtioNS groUp, on 2 DecembEr 2016.  It is eqUipped witH mQ-1 and mq-9 UaV airCraFt.

LineAgE
 489th aero SQuadroN
 orgAnizeD as the 77Th aero SqUadroN oN 13 August 1917
 REdesignated
, the squadron was reassig ned to XII  Bomb erCom ma nd o f th e 12th Air For c e an d participated in theAllie di nvas i on  of I taly in Se p t emb er  1 943 .M ov ed to  Co rsica a s part ofthe  M editerranean Al lied Tacti cal  Air Force i n A pril 1 94 4 a n d pro vid ed ta ctical suppor t for All ie d  troop s  in Ita l y  a nd S outhern France (O p er a tion Dragoon).  Based  a t  R i m ini , I taly in Ap ri l 194 5  untilt he e n d o f  the war.

Pe rsonnel dem o bil ized i nIta l y duri ng su mm e r o f 1945; squ adro n returne d to t h e Unite d  States , bein g p rep ared fo rdep lo y men t  t o P a cif ic Theat er  f or us e as a t acti cal  bom b squ adron in prog ram medI nva sionof Ja pan.   Japa nese c apitu la tion led to squ adro n's inact iva ti onin  Nove m ber 19 45. 

R eturn t o reser v e s ta t u s 
A ctivated as an A-2 6I n va der squa dron i n  t he postwarAi r F orce r eserv es i n  1 947; ina ctivat e din  1949 d ue  to bu dg etred uctio n s.
Strate gic AirComma n d
From 1958, t h e Boeing B-47 St r a to j et w ing s of Strate gicA ir C omma n d(SA C ) beg an to  a s su m e an alert postureat  their  home  bases, reduc ing the am o u n t of tim e sp e nt on alert at ov ersea s bases. T he SAC a lertcycle di vided its e l f into f our  pa rts : p l a nn ing, flying,a l ertan d resttomeet Ge ner alTho mas  S . Power's  initial  g oa lof  ma intai n ing oneth ird  o f S AC'sp laneson fi ftee nmi n ute  ground al e r t, f ul ly  fue led  a nd re adyf orcombatto reduce  vu l nera bi li ty to a  Soviet missi le  strike. T oimp lement t his newsystem B-47 wings reorg a nized f rom  thre e to  four squ adr ons. T he4 89th w as act ivate datW h itema n Ai r F or ce Base as t hefourt hsqua dron of  the 340th Bombard m ent  Wing. The al ert  com m i tm ent wa s  in cr e ase d to half the squ adron's ai rc r af t in 1962a ndth e foursquadro n pat t ern nolonger me t the ale rt  cyc l e  co mmitment,so the s quadron w a s ina c ti vated  on  1 Jan ua ry1962. 

Reco n nai ssanc e oper at ions
T he sq ua dron was  reactivated as the 489 th Rec onnai ssa nce Squad ron on26 August  201 1 at Beale  Ai r F orceBas e  near  Mar y sv ill e , CAas a component of  th e 9t h Operation s G rou p, 9t h R e connai ssan ce Wing, flying M C -12W aircraft.   It w asina c tiva te d 10 May 2015. 

4 89 t h  AttackSq uadron
Thesquadron  w a s red esigna ted as  the 48 9 t hA ttackSqua dro n at Cree chAi r  ForceBa se underthe43 2d Ope ration s  Gro u p , on 2 December2016. It is equ ipped  w ith MQ- 1  and  MQ-9 UAVaircraft.
Lineag e
 4 89thAero Sq ua dron
Org an ized as th e  77th Aer o Squ adron o n13 A ugu st 191 7
 R e d esign ated 
, the_squadron was_reassigned to XII Bomber_Command of_the_12th Air_Force_and participated in_the Allied invasion_of Italy in September_1943. Moved to_Corsica_as part of the Mediterranean Allied Tactical Air Force in April 1944 and provided_tactical_support for_Allied_troops_in Italy and Southern France_(Operation Dragoon). Based at Rimini,_Italy in_April 1945 until the end of the war.

Personnel_demobilized_in Italy during_summer of 1945; squadron returned to the United States,_being prepared for deployment to Pacific_Theater for use_as_a_tactical bomb squadron in_programmed Invasion of Japan.  _Japanese capitulation led to squadron's inactivation_in November 1945.

Return to reserve status
Activated as_an A-26 Invader squadron in the_postwar Air Force reserves in_1947; inactivated_in 1949 due to budget_reductions.

Strategic Air Command
From_1958, the_Boeing B-47 Stratojet_wings of Strategic Air Command (SAC)_began to assume_an alert posture at their home_bases,_reducing the amount_of_time_spent on_alert at overseas_bases._ The_SAC_alert cycle divided itself into four_parts:_planning, flying, alert and rest to meet_General Thomas S. Power's_initial_goal of maintaining one_third of SAC's planes on_fifteen minute ground alert, fully fueled_and ready_for combat_to reduce vulnerability to a Soviet missile strike. To implement this_new system B-47 wings reorganized from_three to four squadrons._The 489th_was_activated at Whiteman_Air_Force Base_as the fourth squadron of the 340th_Bombardment Wing._The alert commitment was increased to_half the squadron's aircraft_in_1962 and the four squadron pattern_no longer met the alert cycle_commitment, so the squadron was_inactivated_on_1 January 1962.

Reconnaissance operations
The squadron_was reactivated as the 489th Reconnaissance_Squadron on 26_August 2011 at Beale Air Force Base_near_Marysville, CA as a component of_the_9th Operations Group, 9th Reconnaissance Wing,_flying_MC-12W_aircraft.  It was inactivated_10 May 2015.

489th Attack Squadron
The squadron_was redesignated as the 489th Attack Squadron at Creech_Air Force Base_under the 432d Operations Group,_on_2_December 2016.  It is equipped with MQ-1 and MQ-9_UAV aircraft.

Lineage
_489th Aero Squadron
_Organized as the 77th Aero Squadron on 13 August 1917
_Redesignated