Title	Documents
[MESSAGE TRAFFIC FROM BRIGADIER GENERAL POINTER TO VARIOUS REGARDING BRADLEY R AND D PROGRAMS WITH ATTACHMENT]	20181815MN008098.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL EDMONDS TO MAJOR GENERAL JOHNSON REGARDING TANK COMMANDER CERTIFICATION TRAINING WITH ATTACHMENT]	20181815MN008099.pdf ±50
[CORRESPONDENCE FROM LIEUTENANT COLONEL GILCHRIST TO MAJOR GENERAL BROWN REGARDING THANKS, USING FORT KNOX'S RESOURCES]	20181815MN008100.pdf ±50
[CORRESPONDENCE FROM MAJOR GENERAL BROWN TO LIEUTENANT GENERAL HOLLINGSWORTH REGARDING THANKS FOR YOUR KIND NOTE WITH ATTACHMENT]	20181815MN008101.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL FOSS TO VARIOUS REGARDING BRADLEY FIGHTING VEHICLE SYSTEMS BLOCK MODIFICATION PROGRAM WITH ATTACHMENT]	20181815MN008102.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL PALMER TO VARIOUS REGARDING A/OC CONFERENCE FEEDBACK WITH ATTACHMENT]	20181815MN008103.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO VARIOUS REGARDING FUTURE INFANTRY COMBAT VEHICLE SYSTEMS WITH ATTACHMENT]	20181815MN008104.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL EDMONDS TO MAJOR GENERAL JOHNSTON; MAJOR GENERAL BROWN REGARDING SPECIAL ARMOR MOBILIZATION STUDY GROUP]	20181815MN008105.pdf ±50
[CORRESPONDENCE FROM JAMES F. HOLLINGSWORTH TO RICK REGARDING MANY THANKS FOR OUTSTANDING UPDATE, VISIT TO YOUR HEADQUARTERS WITH ATTACHMENTS]	20181815MN008106.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL FORMAN TO VARIOUS REGARDING USE OF THE ARMY PRIVACY COMMUNICATIONS SYSTEM WITH ATTACHMENTS]	20181815MN008107.pdf ±50
[CORRESPONDENCE FROM [VAL] TO RICK REGARDING OUT OF THE RACE WITH ATTACHMENT]	20181815MN008108.pdf ±50
[CORRESPONDENCE FROM MAJOR GENERAL BALL TO MAJOR GENERAL BROWN REGARDING AIPS PROGRAM WITH ATTACHMENT]	20181815MN008109.pdf ±50
[CORRESPONDENCE FROM LIEUTENANT GENERAL BERGQUIST TO MAJOR GENERAL BROWN REGARDING DEPARTMENT OF THE ARMY JOINT COMMAND POST EXERCISE, JOGEX 84 WITH ATTACHMENT]	20181815MN008110.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL YEOSOCK TO MAJOR GENERAL BROWN REGARDING JWG FOR PHYSIOLOGICAL AND PSYCHOLOGICAL TESTING OF CREWS IN THE NBC ENVIRONMENT]	20181815MN008111.pdf ±50
[CORRESPONDENCE FROM MAJOR GENERAL MADDOX TO MAJOR GENERAL BROWN REGARDING BATTLEFIELD MANAGEMENT SYSTEM CONCEPT WITH ATTACHMENT]	20181815MN008112.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL YEOSOCK TO MAJOR GENERAL BROWN REGARDING JWG FOR PHYSIOLOGICAL AND PSYCHOLOGICAL TESTING OF CREWS IN AN NBC ENVIRONMENT]	20181815MN008113.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO VARIOUS REGARDING FUTURE INFANTRY COMBAT VEHICLE SYSTEMS WITH ATTACHMENT]	20181815MN008114.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL VUONO TO VARIOUS REGARDING GENERAL OFFICER AND SENIOR EXECUTIVE SERVICE NOMINATIONS FOR FORCE INTEGRATION TRAINING - GO/SES COURSE WITH ATTACHMENT]	20181815MN008115.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WISHART TO VARIOUS REGARDING TRAINING AND DOCTRINE COMMAND SUPPORT OF THE NEW THRUST PROGRAM WITH ATTACHMENT]	20181815MN008116.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL NORD TO MAJOR GENERAL BROWN REGARDING JWG FOR PHYSIOLOGICAL AND PSYCHOLOGICAL TESTING OF CREWS IN AN NBC ENVIRONMENT (P2NBC2) WITH ATTACHMENT]	20181815MN008117.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WISHART TO VARIOUS REGARDING BRADLEY FIGHTING VEHICLE SYSTEMS BLOCK MODIFICATION PROGRAM WITH ATTACHMENT]	20181815MN008118.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL ONO TO VARIOUS REGARDING REENLISTMENT RESERVATION SYSTEM WITH ATTACHMENTS]	20181815MN008119.pdf ±50
[MESSAGE TRAFFIC FROM SERGEANT MAJOR OF THE ARMY TO MAJOR GENERAL BROWN REGARDING RETENTION OF CSM BEYOND 30 YEARS]	20181815MN008120.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL VUONO TO VARIOUS REGARDING SETS, KITS, AND OUTFITS REVIEW WITH ATTACHMENT]	20181815MN008121.pdf ±50
[MESSAGE TRAFFIC FROM BRIGADIER GENERAL CROW TO VARIOUS REGARDING CLOSE COMBAT HEAVY-COMBINED ARMS WORKING GROUP WITH ATTACHMENTS]	20181815MN008122.pdf ±50
[MESSAGE TRAFFIC FROM UNDETERMINED TO VARIOUS REGARDING PSYCHOLOGICAL AND PHYSIOLOGICAL EFFECTS OF NBC ON CREWS (P2NBC2) WITH ATTACHMENTS]	20181815MN008123.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL BROWN TO VARIOUS REGARDING UK REPRESENTATION TO FACS STUDY WITH ATTACHMENT]	20181815MN008124.pdf ±50
[MESSAGE TRAFFIC FROM COLONEL PELLICCI TO MAJOR GENERAL BROWN REGARDING TANK DRIVER TRAINER REQUIREMENTS VALIDATION]	20181815MN008125.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL VUONO TO VARIOUS REGARDING RECRUITMENT FOR ADVANCED MILITARY STUDIES PROGRAM WITH ATTACHMENTS]	20181815MN008126.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WISHART TO VARIOUS REGARDING LONG RANGE ANTI-TANK SYSTEM WITH ATTACHMENT]	20181815MN008127.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL VUONO TO VARIOUS REGARDING FC 71-101 FINAL COORDINATION MEETING]	20181815MN008128.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL OTIS TO VARIOUS REGARDING TANK COMMANDER SELECTION CRITERIA WITH ATTACHMENT]	20181815MN008129.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO MAJOR GENERAL RISCASSI REGARDING ASSAULT GUN FOR 91ID (MTZ) WITH ATTACHMENT]	20181815MN008130.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO MAJOR GENERAL FOSS REGARDING ARMY MORTARS WITH ATTACHMENT]	20181815MN008131.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO VARIOUS REGARDING BRADLEY FIGHTING VEHICLE SYSTEMS SECOND BLOCK MODIFICATION PROGRAM WITH ATTACHMENT]	20181815MN008132.pdf ±50
[CORRESPONDENCE FROM UNDETERMINED TO GENERAL BROWN REGARDING MAJOR GENERAL NORD CALLED]	20181815MN008133.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WISHART TO VARIOUS REGARDING LONG RANGE ANTI-TANK SYSTEM WITH ATTACHMENT]	20181815MN008134.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL BATS TO GENERAL BROWN REGARDING SUCCESS OF ROYAL DEFENSE INSTITUTE AND THE MILITARY ADMINISTRATORS COLLEGE'S STUDY TOUR]	20181815MN008135.pdf ±50
[MESSAGE TRAFFIC FROM COLONEL LEACH TO COLONEL RILHAC REGARDING APPRECIATION]	20181815MN008136_Final.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL BROWN TO MAJOR GENERAL BROOKS REGARDING GOWEN FIELD VISIT WITH ATTACHMENTS]	20181815MN008137.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL BROWN TO VARIOUS REGARDING GOWEN FIELD VISIT WITH ATTACHMENTS]	20181815MN008138.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL ONO TO VARIOUS REGARDING TRAINING AND DOCTRINE COMMAND ARMY FAMILY PLAN WITH ATTACHMENT]	20181815MN008139.pdf ±50
[CORRESPONDENCE FROM BROWN TO BRANTLEY REGARDING THANKS]	20181815MN008140.pdf ±50
[MESSAGE TRAFFIC FROM DEPARTMENT OF THE ARMY TO VARIOUS REGARDING GENERAL OFFICER ANNOUNCEMENT WITH ATTACHMENT]	20181815MN008141.pdf ±50
[CORRESPONDENCE FROM MAJOR GENERAL BROWN TO GENERAL PATTON REGARDING THANKS FOR COMMENTS, SUGGESTIONS WITH ATTACHMENTS]	20181815MN008142.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL ONO TO VARIOUS REGARDING LIAISON OFFICER AT GERMAN ARMY TACTICS CENTER WITH ATTACHMENT]	20181815MN008143.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO VARIOUS REGARDING VISIT OF LIEUTENANT GENERAL WERNER SCHAEFER WITH ATTACHMENT]	20181815MN008144.pdf ±50
[MESSAGE TRAFFIC FROM BRIGADIER GENERAL NICHOLSON TO VARIOUS REGARDING COMMERCIAL TRAINING DEVICE REQUIREMENT FOR M60A3 TANK DRIVER TRAINER WITH ATTACHMENT]	20181815MN008145.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL BERGQUIST TO VARIOUS REGARDING SUPPORT FOR THE SPECIAL STUDY GROUP ARMOR WITH ATTACHMENT]	20181815MN008146.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL POTTS TO VARIOUS REGARDING RECOVERY OPERATIONS WITH ATTACHMENT]	20181815MN008147.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO VARIOUS REGARDING INTERACTIVE SIMULATION FOR TRAINING WITH ATTACHMENT]	20181815MN008148.pdf ±50
[MESSAGE TRAFFIC FROM COMMANDER, TRAINING AND DOCTRINE COMMAND TO VARIOUS REGARDING TRAINING AND DOCTRINE COMMAND/AUSA SYMPOSIUM AND NEXT YEARS SCHEDULE WITH ATTACHMENT]	20181815MN008149.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL MCNAIR TO VARIOUS REGARDING BRADLEY FIGHTING VEHICLE SYSTEMS BLOCK MODIFICATION PROGRAM WITH ATTACHMENT]	20181815MN008150.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL PORTER TO MAJOR GENERAL ONO REGARDING FAST-TRACK PROMOTIONS FOR ARMOR SOLDIERS]	20181815MN008151.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO VARIOUS REGARDING INFANTRY/ARMOR INTEGRATION WITH ATTACHMENT]	20181815MN008152.pdf ±50
[MESSAGE TRAFFIC FROM BRIGADIER GENERAL CROW TO MAJOR GENERAL MCNAIR REGARDING SSGA GAME PLAN FOR GERMAN PARTICIPATION WITH ATTACHMENT]	20181815MN008153.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL BERGQUIST TO MAJOR GENERAL BROWN REGARDING JWG FOR PHYSIOLOGICAL AND PSYCHOLOGICAL TESTING OF CREWS IN AN NMBC ENVIRONMENT (P2NBC2)]	20181815MN008154.pdf ±50
[MEMORANDUM FROM MICHAEL D. BRANTLEY TO MAJOR GENERAL BROWN REGARDING IMPROVING THE ARMOR OFFICER BASIC COURSE WITH ATTACHMENTS]	20181815MN008156.pdf ±50
[MEMORANDUM FROM [USDAO TELAVIVIS] TO COMMANDER, USAARMC REGARDING POTENTIAL VISIT OF FORMER IDF ARMOR CORPS COMMANDER WITH ATTACHMENT]	20181815MN008157.pdf ±50
[CORRESPONDENCE FROM BILL TO RICK REGARDING MANY THANKS]	20181815MN008158.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL MOORE TO VARIOUS REGARDING JWG FOR PHYSIOLOGICAL AND PSYCHOLOGICAL TESTING IN AN NBC ENVIRONMENT (P2NBC2)]	20181815MN008159.pdf ±50
[CORRESPONDENCE FROM LOU STUBORS TO GENERAL BROWN REGARDING MANY THANKS WITH ATTACHMENT]	20181815MN008160.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL RUSSO TO MAJOR GENERAL BROWN REGARDING M551]	20181815MN008161.pdf ±50
[CORRESPONDENCE FROM MAJOR GENERAL BROWN TO JUANITA T. ROSA REGARDING SON AT FORT KNOX]	20181815MN008162.pdf ±50
[CORRESPONDENCE FROM LIEUTENANT GENERAL VUONO TO MAJOR GENERAL BROWN REGARDING BIRTHDAY WISHES]	20181815MN008163.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL MADDOX TO VARIOUS REGARDING VISIT GENERAL ARUNKUMAR SHRIDHAR VAIDYA, CHIEF OF ARMY STAFF, INDIA WITH ATTACHMENT]	20181815MN008164.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL OTIS TO VARIOUS REGARDING TANK COMMANDER SELECTION CRITERIA]	20181815MN008165.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL MCNAIR TO VARIOUS REGARDING VISIT OF BRIGADIER GENERAL BEN-HANAN WITH ATTACHMENT]	20181815MN008166.pdf ±50
[MESSAGE TRAFFIC FROM BALL TO MAJOR GENERAL BROWN REGARDING ORGANIZATIONAL MAINTENANCE TRAINING WITH ATTACHMENT]	20181815MN008167.pdf ±50
[CORRESPONDENCE FROM RALPH E. HAINES, JR. TO GENERAL BROWN REGARDING MILITARY UPDATE WITH ATTACHMENTS]	20181815MN008168.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL VUONO TO VARIOUS REGARDING COMBAT DEVELOPMENTS INTERFACE WITH ATTACHMENT]	20181815MN008169.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL MERRYMAN TO VARIOUS REGARDING BRADLEY FIGHTING VEHICLE SYSTEM SECOND BLOCK MODIFICATION PROGRAM WITH ATTACHMENT]	20181815MN008170.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL ONO TO VARIOUS REGARDING REENLISTMENT STATUS WITH ATTACHMENT]	20181815MN008171.pdf ±50
[CHART] INITIAL SPECIALTY STATISTICAL SUMMARY USAARMC AND 194TH ARMORED BRIGADE 1984 MAJOR, ARMY COMPETITIVE CATEGORY PROMOTION SELECTION BOARD [WITH ATTACHMENTS]	20181815MN008172.pdf ±50
[CORRESPONDENCE FROM MAJOR GENERAL BROWN TO COLONEL SIRACUSA REGARDING THANKS FOR SENDING ME THE JOURNAL OF THE ITALIAN ARMY "RIVISTA MILITARE" WITH ATTACHMENT]	20181815MN008173.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL MCNAIR TO MAJOR GENERAL BROWN REGARDING BATTLEFIELD MANAGEMENT SYSTEM/VEHICLE INTEGRATED INTELLIGENCE PROGRAM PROPONES WITH ATTACHMENT]	20181815MN008174.pdf ±50
[MESSAGE TRAFFIC FROM COMMANDER, USAMRDC TO MAJOR GENERAL BROWN REGARDING PHYSIOLOGICAL AND PSYCHOLOGICAL EFFECTS OF NBC AND EXTENDED OPERATIONS ON CREWS (P2 NBC2) WITH ATTACHMENT]	20181815MN008175.pdf ±50
[MESSAGE TRAFFIC FROM RICHARD VITALI TO MAJOR GENERAL BROWN REGARDING RECEIVED A TELCON FROM COLONEL BARKMAN EXPRESSING YOUR CONCERN/ANGER WITH RUMOR WITH ATTACHMENT]	20181815MN008176.pdf ±50
[MESSAGE TRAFFIC FROM BRIGADIER GENERAL NICHOLSON TO VARIOUS REGARDING STANDARDS IN TRAINING COMMISSION STEERING COMMITTEE WITH ATTACHMENT]	20181815MN008177.pdf ±50
[MESSAGE TRAFFIC FROM BRIGADIER GENERAL GREENWAY TO VARIOUS REGARDING INFANTRY/ARMOR INTEGRATION WITH ATTACHMENT]	20181815MN008178.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL EDMONDS TO VARIOUS REGARDING FILL AND TRAIN WITH ATTACHMENT]	20181815MN008179.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL PALMER TO VARIOUS REGARDING CHANGES IN CLASSIFICATION OF MSG 052050Z WITH ATTACHMENT]	20181815MN008180.pdf ±50
[CORRESPONDENCE FROM B TO [UNDETERMINED] REGARDING WOULD LIKE TO HAVE COMBINATION, BRIEFINGS, PRAYER BREAKFAST WITH ATTACHMENT]	20181815MN008181.pdf ±50
[CORRESPONDENCE FROM BROWN TO LIEUTENANT GENERAL VUONO; GENERAL RICHARDSON REGARDING ATTACHED FOUR YOUR INFORMATION THE KNOX DATA ON 04 SELECTION]	20181815MN008182.pdf ±50
[CORRESPONDENCE FROM CAPTAIN CHASE TO FREDERIC J. BROWN REGARDING REQUEST YOUR ASSISTANCE]	20181815MN008183.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL OTIS TO VARIOUS REGARDING M1F1 VULNERABILITY WITH ATTACHMENT]	20181815MN008184.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL RISCASSI TO VARIOUS REGARDING HYPERVELOCITY MISSILE SYSTEMS]	20181815MN008185.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WOODMANSEE TO VARIOUS REGARDING M1 BN MODEL TRAINING PROGRAM WITH ATTACHMENT]	20181815MN008186.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WAGNER TO MAJOR GENERAL BROWN REGARDING PHYSIOLOGICAL AND PSYCHOLOGICAL EFFECTS OF NBC EXTENDED OPERATIONS ON CREWS (P2BC2) WITH ATTACHMENT]	20181815MN008187.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WOODMANSEE TO MAJOR GENERAL BROWN REGARDING MISCELLANEOUS WITH ATTACHMENT]	20181815MN008188.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL WOODMANSEE TO VARIOUS REGARDING ITV CO AND INFANTRY SQUAD ORGANIZATION WITH ATTACHMENT]	20181815MN008189.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL FOSS TO MAJOR GENERAL BROWN REGARDING MESSAGE CLEARANCE WITH ATTACHMENT]	20181815MN008190.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL GRAVES TO MAJOR GENERAL BROWN REGARDING M60A3 QUALIFIED SOLDIERS (ASI B8) WITH ATTACHMENT]	20181815MN008191.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL POTTS TO MAJOR GENERAL BROWN REGARDING RECOVER OPERATIONS WITH ATTACHMENT]	20181815MN008192.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL ANDERSON TO VARIOUS REGARDING EXPEDITED TEST AND ACQUISITION PROGRAM FOR GERMAN NBC RECONNAISSANCE VEHICLE FUCHS WITH ATTACHMENT]	20181815MN008193.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL PALMER TO VARIOUS REGARDING SCHOOL COMMANDANTS' CONFERENCE WITH ATTACHMENT]	20181815MN008194.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL LILLEY TO VARIOUS REGARDING PALLETIZED LOAD SYSTEM]	20181815MN008195.pdf ±50
[MESSAGE TRAFFIC FROM LIEUTENANT GENERAL VUONO TO VARIOUS REGARDING SEAD IN THE DEEP ATTACK WITH ATTACHMENT]	20181815MN008196.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL TEMPLE TO MAJOR GENERAL BROWN REGARDING GOWEN FIELD TRAINING INITIATIVES WITH ATTACHMENTS]	20181815MN008197.pdf ±50
[MESSAGE TRAFFIC FROM GENERAL RICHARDSON TO GENERAL OTIS REGARDING TANK COMMANDER SELECTION CRITERIA WITH ATTACHMENT]	20181815MN008198.pdf ±50
[MESSAGE TRAFFIC FROM MAJOR GENERAL EDMONDS TO MAJOR GENERAL BROWN REGARDING NSM SYSTEM WITH ATTACHMENT]	20181815MN008199.pdf ±50