REF ID:A40298 

·. 

• SECRET 

AIR 

se~b'ft¥K'fn 

DEFENSE COMMAND • 

ENT AIR FORCE BASE 

COLORADO SPRINGS, COLORADO 

Dr. Howard P. Robertson 

Scientific .Advisory Board 

National Security Agency 

38o1 Nebraska Ave., N .w. 

Washington, D. C. 

Dear Dr. Robertson: 

8 SEP 1953 

The early warning requirements of aU. active 

AA battalions of the Antiaircraft Carmna.Dd and those 

National Guard units which wil1 be utilized to augment its defenses are inclosed herewith. 

This tulf ills the request made during your rec1;mt 

visit to this· headquarters. I hope it wil1 be of assistance to you. 

1 Incl 

List Early Warning 

Requirement 

"'I'HT.3 OOC:J?.T.~~~ CON:::'A!?:'J D~~'-J::lH!:TION LFFE:CTING 

"'n-l~ l!A'!'.~~:-:t.L nn:rB~~ZE! (;ii' TY.ii!: Ui'-iI'l'EJ S1'11TES 

W:CTH:CU ·~·r:;::: t::P..i·lI:·~G O.Li' i;:::: C.3PIONAGl!! LAWS 

'.l'lTLm 18 u.s.c.I S~CTIO~~s T93 J...~!D 794. ITS 

'l'RAUSMISSl:CH on Trm: REVEu~uou OF IT· s 

COPt'IEMTS IN AMY lWiNER TO AN UNAUTHORIZED 

1'i:RSON IS :PROHIBITED BY LAW. 11 

t is withdrawn 

It the a~tached •d)o~~~F~lassification of 

{or not a.ttacbe<.. • . -3 • ,.16 d to SEOREJ ,...,,"'"""' 15 uCht.'lgraOA this con·.::f;po ...... .,"-- ·th para. 

Sincerely, 

W. 

Br1saclier 

M. BUBGESS 

General, 

~ USAF 

DCS/Intel11gence. 

Addressee is·authorized 

to Receive Secret material.. 

eclassified and approved for release by NSA on 

9-03-2014 ursuantto E.O. 13526 

~--~ ______ in ao~ord~nce w1 • 

. 2ss:-AFR 205-l !aturlty lnformat1011 ....... ~ .. t ..... 
REF ID:A40298 -...---------·--- - -

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All Battalions in: 

Seattle 

Hanf'ord 

Los Angeles 

San Francisco 

Travis 

Castle 

Feirchild 

March** 

Baltimore 

Boston 

Chicago 

Detroit 

New York 

; Niagara Falls 

_; Norfolk 

Reilroa~cii.;Q-;na ·~;;m00,ea a· tno • ~ BE:CRE:lJ •. scr

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fos • arc authorized w~~n ~:; ID 

iona distribution Ji t • ~ the office of origin. 8 

•s 1 urnislled 

KARLY WARNING REQUIREMENT FCR 

Rlll-ULAR ARM! UNITS ON-Sl'l'E 

Minimum 

Early Warning 

20 minutes 

20 minutes 

20 minutes 

20 minutes 

At interim station 

At interim station 

At interim. station 

20 minutes 

20 minutes 

20 minutes 

20 minutes 

20 minutes 

20 minutes 

20 1$mtes 

20 minutes 

20 minutes 

Desirable 

EarlY Warning* 

45 minutes 

45 minutes 

45 minutes 

45 minutes 

At interim station 

At interim station 

At interim station 

45 minutes 

40 minutes 

40 minutes 

40 minutes 

40 minutes 

40 minutes 

40 minutes 

40 :minutes 

l. -

1 1blladelphia 

Pittsburgh 

40 minutes 

40 minutes 

40 minutes 

401J,inutes 

•...; . : ··' • t 

·- -· -

~d'I 

Sault Ste Marie 

Washington 

20 minutes 

20 minutes 

20 minutes 

* Time allotted to .fire ~t ling rounds, conduct trial tire, recall 

additional personnel a other necessary action to insure 

sustained maximum ef'.f'ect veness. 

** On base sites onl.1'· 

.,.. i.W.O ·~ • IS C~~-"J ·~· ·1·~ : •• ______ J c;. .! _______ ( rr ,..,._a. •, 

. ~· 
• 

• 

Defense 

Seattle 90mm 

Seattle 120mm 

Hanford 

Fairchild 

San Francisco 

Travis 

Castle 

Los Angeles 

Mlrch 

Baltimore 

Boston 

Chicago-Gary 

Detroit 

New York 

Niagara Falls 

Norfolk 

Philadelphia 

Pittsburgh 

Sault Ste Marie 

Washington 

REF ID:A40298 

EARLY WARNING REQUIREMENT FOR 

ACTIVE UNITS AT RANGE 

Range 

Yakima 

Yakima 

Yakima 

Yakima 

Cp Irwin 

Op Irwin 

Op Irwin 

Op Irwin 

Op Irwin 

Bethany Beach, Del 

Time Required 

12 hours 

48 hours 

8 hours 

12 hours 

48 hours 

48 hours 

21 hours 

12 hours augmented 

24 hours organic ·' 

9 hours augmented 

18 hours organic 

20 hours 

Op Wellfleet, Cape Cod, Mass 8 hours 

Cp Haver, Wis 10 hours 

Op Claybanks, Mich 18 hours 

Cr> Hero, Montauk Pnt, L. I. 10 hours 

Cp Wellfleet, Mass 72 hours 

Dam. Neck, Va 6 hours 

Bethany Beach, Del 20 hours 

Cp Perry, Ohio 16 hours 

Point M9.mainse, Ont 6 hours 

Bethany Beach, Del 20 hours 

EiE:CRElJ 

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REF ID:A40298 

EARLY WARNING REQUIREMENT FOR SPECIFIC • REGULAR 

ARMY UNITS LOCATED AT INTERIM STATIONS 

Defense !Isll Time Reguired 

Travis 459 Bn 7 hours augmented 

24 hours organic 

Castle 52 AAA Bn 15 hours 

Fairchild 10 AAA Bn 5 hours augmented 

12 hours organic 

Detroit 516 Bn (90) 12 hours 

Niagara Falls B & C Btrys 44 Bn (90) 12 hours 

Sault Ste Marie Minus A & B Btrys 8 Bn (AW) 8 hours 

pC:CRE1 

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" 
REF ID:A40298 

NG UNITS PLANNED FOR AUGMENTATION • 

OF DEFENSES 

It is planned that the following listed NG units will be utilized 

to augment the defenses of this command. It is not possible, at this 

time, to accurately forecast the early warning requirements of these 

units, some of which have not yet been activated. For one or two of 

the units, 12 hours early warning will probably suffice, for certain 

others 90 hours will be required, and for those still appreciably below 

minimum levels in personnel and equipment, or not yet activated, no 

accurate estimate can be furnished. 

Defense and Units 

Hanford: 

420 AAA Gn Bn 

AAA Gn Bn 

115 AAA Opn 'Det 

419 Sig Det (RMU) 

Sig Det (RMU) 

Seattle: 

205 AAA Gp 

240 AAA Gn Bn 

770 AAA Gn Bn 

110 AAA Opn Det 

404 Sig Det (RMU) 

Sig Det (RMU) 

Fairchild: 

236 AAA Gp 

530 AAA AW Bn 

286 AAA Gn Bn 

AAA Opn Det 

Sig Det (RMU) 

Sig Det (RMU) 

San Francisco: 

233 AAA Gp 

271 AAA Gn Bn 

718 AAA Gn Bn 

132 Sig Det (RMU) 

134 Sig Det (RMU) 

397 Sig Det (RMU) 

Travis: 

250 AAA Gp 

722 AAA AW Bn 

719 AAA Gn Bn 

184 AAA Opn Det 

133 Sig Det (RMU) 

Sig Det (RMU) 

GECRElJ 

Defense and Units 

Castle: 

237 AAA Gp 

732 AAA AW Bn 

951 AAA Gn Bn 

AAA Opn Det 

402 Sig Det (:a.MU) 

Sig Det (RMU) 

Los Angeles: 

234 AAA Gp 

682 AAA Gn Bn 

720 AAA Gn Bn 

746 AAA Gn Bn 

140 Sig Det (RMU} 

141 Sig Det (RMU) 

Sig Det (RMU) 

M:lrch: 

251 AAA Gp 

421 AAA AW Bn 

730 AAA Gn Bn 

186 AAA Opn Det 

42 5 Sig Det (RMU) 

142 Sig Det (RMU) 

Baltimore: 

125 Bn 

308 Bn 

Boston: 

704 Bn 

772 Bn 

747 Bn 

Chicago-Gary: 

768 Bn 

698 Bn 

213 Bn 

688 Bn 

337 B:q., J. ...... ~ L. .... .:..~ r ' ~. • • • 

.............. .,, ................. , .... £. 

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REF ID:A40298 

Detroit: 

210 Bn 

744 Bn 

156 Bn 

New York City: 

259 Bn 

870 Bn 

245 Bn 

773 Bn 

Niagara Falls: 

633 Bn 

336 Bn 

Norfolk: 

418 Bn 

710 Bn 

Hiiladelphia: 

416 Bn 

707 Bn 

709 Bn 

Pittsburgh: 

689 Bn 

724 Bn 

708 Bn 

Sault Ste Marie: 

950 Bn (AW) 

300 Bn 

Washington: 

340 Bn 

260 Bn 

380 Bn 

Indianapolis: 

243 Bn 

705 Bn 

283 Bn 

685 Bn 

SE:CRElJ 

2 

Hartford: 

745 Bn 

238 Bn 

211 Bn 

Limestone AFB: 

314 Bn (AW) 

70'.3 Bn 

Buffalo: 

102 Bn 

106 Bn 

369 Bn 

715 Bn 

Cleveland: 

177 Bn 

179 Bn 

180 Bn 

182 Bn 

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REF ID:A40298 

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