Here is a list of enumerated buildings that began as Ramo-Wooldridge's Arbor Vitae Complex, then developed as TRW's Space Park.
|
Name
|
Address
|
Years
|
Notes
|
|
(0)
|
6316 W 92nd St, Westchester
|
1953 - 1955
|
R-W's 1st office, subsequently becoming a barber shop
|
|
1
|
5730 Arbor Vitae St, Los Angeles
|
1956 - 1962
|
R-W's 2nd corporate headquarters after moving from Bldg. 8
|
|
2
|
5740 Arbor Vitae St, Los Angeles
|
1955 - 1962
|
auditorium; shared by Computer Systems Div., Control Systems Div., & a portion of GMRD
|
|
3
|
5760 Arbor Vitae St, Los Angeles
|
1955 - 1962
|
mostly for Guided Missile Research Div. (GMRD) & part of Computer Systems Div. (with 45kW 4.6k-tube ERA-1103 Remington-Rand Univac)
|
|
4
|
5800 Arbor Vitae St, Los Angeles
|
1955 - 1962
|
for GMRD
|
|
5
|
5755 W 96th St, Los Angeles
|
1956 - 1962
|
for GMRD labs, engineering, executive offices on 1st floor; library on 2nd
|
|
6
|
5651 W 96th St, Los Angeles
|
1955 - 1962
|
for accounting, central stores, contracts admin, dispensary, facilities, personnel, receiving, security, shipping, tech services, & maintenance shop for Communications Div.
|
|
7
|
9010 Bellanca Ave, Los Angeles
|
1956 - 1962
|
for R&D activities of Communications Division, shared by Instrumentation Division
|
|
8
|
8820 Bellanca Ave, Los Angeles
|
1954 - 1962
|
originally named "Bldg. One" for R-W's 1st corporate headquarters until new construction completed at 5730 AV
|
|
9
|
9020 Bellanca Ave, Los Angeles
|
1957 - 1962
|
|
|
10
|
9625 Bellanca Ave, Los Angeles
|
1957 - 1962
|
|
|
11
|
(unknown), Los Angeles
|
1958 - 1964
|
cafeteria; south of Bldg. 4 along "Alley", possibly later-named Belford Ave
|
|
12
|
5771 W 96th St, Los Angeles
|
1958 - 1962
|
for Air Force Accounting & Finance Div. with AFBMD library & USPS PO
|
|
13
|
9610 Bellanca Ave, Los Angeles
|
1959 - 1962
|
for Air Force-STL (BMD Deputy Commander for Installations office, STL Facilities, US Army Corps of Engineers office)
|
|
(14-49)
|
(none)
|
(none)
|
see note about numbering gap in Trivia section below
|
|
50
|
6801 Imperial Hwy, Los Angeles
|
1955 - 1968
|
Flight Test Facility; 7 acres with hangar, offices, & shop leased at LAX primarily for Comm. Div.
|
|
51
|
5345 W 102nd St, Los Angeles
|
1959 - 1962
|
|
|
52
|
(unknown)
|
1959 - 1959
|
|
|
53
|
5415 W 102nd St, Los Angeles
|
1960 - 1962
|
leased from Hughes Aircraft Co. for STL's Tech Info Services, Graphic Design, Tech Writing, & Copy Prep
|
|
54
|
8820 S Sepulveda Blvd, Los Angeles
|
1960 - 1963
|
2 floors leased in Airport Arcade Bldg. for STL's Purchasing Dept. & personnel functions
|
|
55
|
8929 S Sepulveda Blvd, Los Angeles
|
1960 - 1981
|
top 4 floors in Airport Office Bldg. for STL's corp. headquarters after Bldg. 1, before E1
|
|
56
|
5515 W 104th St, Los Angeles
|
1961 - 1963
|
|
|
57
|
802 Hyde Park, Inglewood
|
1963 - 1968
|
Site Management & Data Facility
|
|
58
|
802 Hyde Park, Inglewood
|
1963 - 1968
|
Test Operations Building (58A: C-1 Test Rig, 58B: Mult-test Operations Bldg., 58C: SIV8 Test Operations Bldg., 58D: Small Test Stand)
|
|
59
|
802 Hyde Park, Inglewood
|
1963 - 1968
|
Laboratory Building--Hazardous & High Temperature Chemistry (59A: High Temp. Chemistry Support Bldg., 59B-59E: Site Support Bldgs.)
|
|
60
|
815 Lapham, El Segundo
|
1962 - 1968
|
|
|
60T
|
(trailers near Bldg. 60)
|
1968 - 1968
|
|
|
61
|
815 Lapham, El Segundo
|
1962 - 1968
|
|
|
62
|
139 Illinois, El Segundo
|
1963 - 1968
|
|
|
63
|
2100 N Sepulveda Blvd, Manhattan Beach
|
1963 - 1968
|
|
|
64
|
3700 Freeman (RB Ave), Redondo Beach
|
1963 - 1969
|
|
|
65
|
1700 Rosecrans Ave, Manhattan Beach
|
1963 - 1995
|
original 17.5ksf Proposal Center; subsequently Office Depot
|
|
66
|
1700 Rosecrans, Manhattan Beach
|
1963 - present
|
antenna development: Bi-static Range, Chamber B, Chamber H, Mini Chamber 2, Mini Chamber 4, Scanner A, Scanner A2, Scanner B & C
|
|
67
|
1700 Rosecrans, Manhattan Beach
|
1963 - present
|
originally STL's Fluid Mechanics Laboratory (first high-energy chemical lasers); subsequently Experimental Test Facility
|
|
68
|
14520 Aviation Blvd, Lawndale
|
1964 - 1991
|
|
|
68T
|
(trailers east of Bldg. 68)
|
1986 - 1991
|
custom-designed 33ksf Proposal Center
|
|
69
|
(unknown)
|
(unknown)
|
|
|
70
|
2409 Sepulveda Blvd, Manhattan Beach
|
1966 - 1968
|
listed as editorial office for Sentinel newspaper in Sep. 23, 1967 Special Edition
|
|
71
|
5701 W Century Blvd, Los Angeles
|
1966 - 1970
|
|
|
72
|
8332 Osage Ave, Inglewood
|
1966
|
|
|
73
|
6060 W Manchester Ave, Los Angeles
|
1966 - 1970
|
|
|
74
|
2221 Park Place, El Segundo
|
1962 - 1970
|
|
|
75
|
2200 Park Place, El Segundo
|
1966 - 2000
|
subsequently Bay Club
|
|
76
|
5959 W Century Blvd, Los Angeles
|
1962 - 1971
|
|
|
77
|
5330 W Century Blvd, Los Angeles
|
1961 - 1962
|
|
|
78A
|
4940 W 147th St, Hawthorne
|
1968 - 1971
|
Records Retention Center
|
|
78B
|
4940 W 147th St, Hawthorne
|
1968 - 1971
|
Employee Benefits
|
|
79
|
11231 La Cienega Blvd, Los Angeles
|
1961 - 1963
|
|
|
80
|
888 N Sepulveda Blvd, El Segundo
|
1967 - 1981
|
|
|
81 (1st)
|
950 N Sepulveda Blvd, El Segundo
|
1967 - 1970
|
shown at this address in April 1968 & October 1970 phonebooks
|
|
81 (2nd)
|
931 S Douglas, El Segundo
|
1980 - 1988
|
shown at this address in October 1980 thru October 1988 phonebooks
|
|
82
|
2201 Rosecrans Ave, El Segundo
|
1968 - 1988
|
|
|
83
|
2457 Manhattan Beach Blvd, Redondo Beach
|
1971
|
|
|
84
|
14520 S Aviation Blvd, Lawndale
|
1976 - 1991
|
|
|
85
|
14243 Hindry Place, Hawthorne
|
1971
|
|
|
86
|
755 N Nash, El Segundo
|
1976 - 1992
|
|
|
87
|
621 Hawaii, El Segundo
|
1976 - 1988
|
|
|
88
|
2201 El Segundo Blvd, El Segundo
|
1976 - 1981
|
|
|
89
|
14525 Ocean Gate, Hawthorne
|
1976
|
|
|
90
|
831 S Nash, El Segundo
|
1976 - 1992
|
|
|
91
|
(unknown)
|
(unknown)
|
|
|
92
|
840 Apollo, El Segundo
|
1980 - 1992
|
|
|
93
|
2041 Rosecrans Ave, El Segundo
|
1980 - 1986
|
|
|
94
|
3600 Sepulveda Blvd, Manhattan Beach
|
1985 - 1988
|
Advanced Communications Technology Satellite (ACTS) design (Congress terminated TRW's work in 1988, transferring it to GE Astro/RCA); subsequently Fry's Electronics
|
|
95, 96, 97, 98, 99
|
(unknown)
|
(unknown)
|
|
|
100
|
13040 Cerise, Hawthorne
|
1980 - 1982
|
|
|
101
|
9841 Airport Blvd, Los Angeles
|
1980
|
|
|
102
|
2500 Compton (Marine), Redondo Beach
|
1980 - 1988
|
|
|
103
|
3535 Lomita Blvd, Torrance
|
1980 - 1987
|
|
|
104
|
3500 Torrance Blvd, Torrance
|
1979 - 1988
|
|
|
105
|
2551 Santa Fe, Redondo Beach
|
1980 - 1997
|
|
|
106
|
2580 Santa Fe, Redondo Beach
|
1980 - 1988
|
for Plasma Separation Process (PSP) program
|
|
107
|
Aviation (north of Compton (Marine))
|
1980
|
|
|
108 (=121)
|
3650 Freeman (RB Ave), Redondo Beach
|
1980 - 1991
|
|
|
108A
|
2501 Manhattan Beach Blvd, Redondo Beach (originally 2477)
|
1981 - 2025
|
vacated June 30, 2025 ahead of lease expiring Dec. 31, 2025
|
|
108B
|
2475 Manhattan Beach Blvd, Redondo Beach
|
1990 - 2025
|
vacated Sep. 30, 2025 ahead of lease expiring Dec. 31, 2025
|
|
108C (originally 108A)
|
2477 Manhattan Beach Blvd, Redondo Beach
|
1992 - 2025
|
vacated Sep. 30, 2025 ahead of lease expiring Dec. 31, 2025
|
|
109
|
4884 145th St, Hawthorne
|
1980 - 1991
|
|
|
110
|
300 N Sepulveda Blvd, El Segundo
|
1980 - 2000
|
Cost Center Control
|
|
111
|
(unknown)
|
(unknown)
|
|
|
112
|
3838 Carson, Torrance
|
1980
|
|
|
113
|
9920 La Cienega Blvd, Los Angeles
|
1980 - 1982
|
|
|
114
|
390 N Sepulveda Blvd, El Segundo
|
1980 - 1983
|
|
|
115
|
2629 Manhattan Beach Blvd, Redondo Beach
|
1981 - 1988
|
|
|
116
|
13890 Hawthorne Blvd, Torrance
|
1980 - 1983
|
|
|
117
|
2045 E Mariposa, El Segundo
|
1981 - 1986
|
|
|
118
|
(Hawthorne Blvd between Lomita & PCH), Torrance
|
1981
|
|
|
119
|
950 W 190th, Los Angeles
|
1981 - 1987
|
|
|
119B
|
950 W 190th, Los Angeles
|
1984 - 1987
|
|
|
120
|
2415 Manhattan Beach Blvd, Redondo Beach
|
1981 - 2025
|
vacated Sep. 30, 2025 ahead of lease expiring Jan. 31, 2026
|
|
121 (=108)
|
3650 Redondo Beach Ave, Redondo Beach
|
2021 - 2025
|
vacated Aug. 30, 2025 ahead of lease expiring Jan. 31, 2027
|
|
122
|
3480 Torrance Blvd, Torrance
|
1982 - 1987
|
|
|
123
|
3510 Torrance Blvd, Torrance
|
1981 - 1987
|
|
|
124
|
3528 Torrance Blvd, Torrance
|
1981 - 1987
|
|
|
125
|
3524 Torrance Blvd, Torrance
|
1981 - 1987
|
|
|
126
|
3525 Lomita Blvd, Torrance
|
1981 - 1987
|
|
|
127
|
3521 Lomita Blvd, Torrance
|
1981 - 1987
|
|
|
128
|
(unknown)
|
(unknown)
|
|
|
129
|
5308 W 145th St, Lawndale
|
1983 - 1986
|
|
|
130
|
11300 La Cienega Blvd, Los Angeles
|
1982 - 1986
|
|
|
131
|
119200 Grammercy, Torrance
|
1982 - 1986
|
|
|
132
|
20600 Grammercy, Torrance
|
1982 - 1987
|
|
|
133
|
2512 Artesia Blvd, Redondo Beach
|
1983 - 1986
|
|
|
134
|
19191 S Vermont, Torrance
|
1983 - 1988
|
Los Angeles TRW Day for opening ceremony; used as mailing address for XM-87 Nuclear/Biological/Chemical (NBC) Reconnaissance System on 1988 ad
|
|
135
|
2401 El Segundo Blvd, El Segundo
|
1983 - 1988
|
|
|
136
|
1111 Knox, Torrance
|
1983 - 1988
|
|
|
137
|
(unknown)
|
(unknown)
|
|
|
138
|
1500 Rosecrans Ave, Manhattan Beach
|
1984 - 1988
|
|
|
139
|
(unknown)
|
(unknown)
|
|
|
140
|
2501 Santa Fe, Redondo Beach
|
1983 - 1993, 1997 - 2012
|
|
|
141
|
3111 Lomita Blvd, Torrance
|
1983
|
|
|
142
|
2055 W 190th, Torrance
|
1983 - 1986
|
|
|
143
|
23900 Hawthorne Blvd, Torrance
|
1983
|
|
|
144
|
2400 Compton (Marine), Redondo Beach
|
1984 - 1991
|
|
|
145
|
3111 Lomita Blvd, Torrance
|
1984 - 1986
|
|
|
146
|
2101 Rosecrans Ave, El Segundo
|
1985 - 1991
|
Milstar design headquarters
|
|
147 (=ELSW & TRC?)
|
2525 E El Segundo Blvd, El Segundo
|
1984 - 1989
|
subsequently Big 5 Sporting Goods
|
|
148
|
(unknown)
|
1985
|
was reported to have 2 anechoic mini-chambers as part of Antenna Systems Laboratory (ASL) for Electronic Systems Group, Space Communications Division
|
|
149
|
2550 Santa Fe, Redondo Beach
|
1984 - present
|
|
|
150
|
4030 Redondo Beach Ave, Redondo Beach
|
1986 - present
|
|
|
150A
|
4020 Redondo Beach Ave, Redondo Beach
|
1989 - present
|
|
|
151
|
(unknown)
|
(unknown)
|
|
|
152
|
23760 Hawthorne Blvd, Torrance
|
1986 - 1991
|
|
|
153
|
23800 Hawthorne Blvd, Torrance
|
1986 - 1991
|
|
|
154
|
2411 Santa Fe, Redondo Beach
|
1986 - 2026
|
formerly Proposal Development Center, Capture & Proposal Operations; vacated Jan. 2026 ahead of lease expiring April 30, 2026
|
|
155
|
20101 S Vermont, Torrance
|
1986 - 1988
|
|
|
156
|
2720 Monterey, Torrance
|
1987 - 1989
|
|
|
157
|
19951 Mariner, Torrance
|
1990 - 2000
|
TRW Components International Inc.
|
|
158
|
20224 Normandie, Torrance
|
1989
|
listed in directory but not shown on map
|
|
159
|
(Del Amo Blvd west of Van Ness Way), Torrance
|
1987 - 1991
|
|
|
160
|
(unknown)
|
(unknown)
|
|
|
161
|
2615 Manhattan Beach Blvd, Redondo Beach
|
1988 - 1991
|
|
|
162
|
(unknown)
|
(unknown)
|
|
|
163
|
(no street number in directory) Wilmington Ave, Carson
|
1989 - 1996
|
|
|
164
|
2500 Santa Fe, Redondo Beach
|
1989 - 1991
|
|
|
200
|
830 Nash, El Segundo
|
1997 - 2000
|
|
|
201
|
1240 Park View, Manhattan Beach
|
1997 - 2012
|
|
|
201A
|
1230 Park View, Manhattan Beach
|
1998 - 2012
|
|
|
202E
|
2420 Santa Fe, Redondo Beach
|
1998 - present
|
|
|
202W
|
2410 Santa Fe, Redondo Beach
|
1998 - present
|
Directed Energy Production Facility
|
|
300
|
2383 Utah Ave Ste 100, El Segundo
|
2005 - 2010
|
|
|
APC (=STPC)
|
Redondo campus
|
2009 - present
|
|
|
CC1
|
3707 Doolittle, Redondo Beach (Business Court)
|
1992 - present
|
|
|
CP1
|
Redondo campus
|
? - present
|
Chiller Plant
|
|
CP2
|
Redondo campus
|
? - present
|
Chiller Plant
|
|
CS1
|
Manhattan campus
|
1997 - present
|
Covered Storage
|
|
D1
|
Manhattan campus
|
1983 - present
|
|
|
DDF
|
Manhattan campus
|
? - present
|
Document Destruction Facility
|
|
E1
|
Redondo campus
|
1962 - present
|
|
|
E2
|
Redondo campus
|
1967 - present
|
|
|
ELSW
(=147 & TRC?)
|
(El Segundo between Aviation
& La Cienega), El Segundo
|
1981
|
|
|
ES-4
|
101 Continental, El Segundo
|
2010 - 2015
|
|
|
HMT1
|
Manhattan campus
|
1997 - present
|
Hazardous Material Transportation
|
|
HMT3
|
Manhattan campus
|
1997 - present
|
Hazardous Material Transportation
|
|
M1
|
Redondo campus
|
1962 - present
|
|
|
M1E
|
Redondo campus (M1 east annex)
|
2023 - present
|
|
|
M1R
|
Redondo campus (M1 radome annex)
|
1989 - present
|
|
|
M1-RWT
|
Redondo campus
|
? - present
|
M1 [Aerosciences] Research Wind
Tunnel
|
|
M1T
(formerly M1A)
|
(trailers east of M1)
|
1963 - 1969
|
|
|
M2
|
Redondo campus
|
1964 - present
|
|
|
M2N
|
Redondo campus (M2 north annex)
|
2023 - present
|
|
|
M3
|
Redondo campus
|
1968 - present
|
|
|
M3B
|
Redondo campus
|
1974 - 1987
|
M3 north annex; demolished &
replaced by M7
|
|
M3T
|
(trailers south of M3)
|
1986 - 1988
|
|
|
M4
|
Redondo campus
|
1967 - present
|
|
|
M4T
|
(trailers west of M4)
|
1980 - 1982
|
|
|
M5
|
Manhattan campus
|
1968 - present
|
|
|
M5TN
|
trailers east of M5
|
1980 - 1987
|
used as mailing address in '86
VHSIC chip ad
|
|
M5TS
|
trailers east of O4
|
1980 - 1984
|
installed before O4 was named
|
|
M6
|
Redondo campus
|
1980 - present
|
|
|
M7
|
Redondo campus
|
1989 - present
|
|
|
M8 (=TF3)
|
Redondo campus
|
2005 - present
|
|
|
MBCA
|
3601 Aviation Blvd Ste 2500,
Manhattan Beach
|
1992 - 2000
|
Corporate Internal Audit office named for "Manhattan Beach, California" |
|
O1
|
Redondo campus
|
1966 - present
|
|
|
O2
|
Manhattan campus
|
1981 - present
|
|
|
O3
|
Manhattan campus
|
1982 - present
|
|
|
O4
|
Manhattan campus
|
1983 - present
|
|
|
O5
|
Manhattan campus
|
1988 - 1997
|
|
|
R1
|
Redondo campus
|
1962 - present
|
|
|
R2
|
Redondo campus
|
1962 - present
|
|
|
R2T
|
(trailers southeast of R2)
|
1966 - 1968
|
|
|
R3
|
Redondo campus
|
1962 - present
|
|
|
R3T
(formerly R3E)
|
(trailers northeast of R3)
|
1966 - 1968
|
|
|
R4
|
Redondo campus
|
1966 - present
|
|
|
R4T
|
(trailers near R4, exact
location unknown)
|
2000
|
|
|
R5
|
Redondo campus
|
1967 - present
|
|
|
R6
|
Manhattan campus
|
1968 - present
|
|
|
R7 (formerly T1)
|
Redondo campus
|
1985 - present
|
|
|
R7A
|
Redondo campus
|
1988 - present
|
EPS/EMTB
|
|
R7AA
|
Redondo campus
|
? - present
|
"R7A Annex"
|
|
R8
|
2005 Manhattan Beach Blvd,
Redondo Beach (Business Court)
|
1986 - 1991, 1996 - 2012
|
|
|
R9
|
3701 Doolittle, Redondo Beach
(Business Court)
|
1986 - present
|
|
|
R10
|
3643 Doolittle, Redondo Beach
(Business Court)
|
1986 - 1993, 1996 -
present
|
|
|
R11
|
3715 Doolittle, Redondo Beach
(Business Court)
|
1987 - 1992, 2005 -
present
|
|
|
R12
|
2015 Manhattan Beach Blvd,
Redondo Beach (Business Court)
|
1987 - 1992
|
|
|
S
|
Redondo campus
|
1963 - present
|
|
|
SLF1
|
Redondo campus
|
1985 - present
|
Shower/Locker Facility north of
O1
|
|
SLF2
|
Redondo Beach Business Court
|
2009 - present
|
Shower/Locker Facility west of R9
|
|
SLF3
|
1935 Manhattan Beach Blvd,
Redondo Beach
|
1987 - present
|
Fitness Center in Aviation High
School gymnasium managed by TRW/NG; first used by STL employees in 1962
|
|
STN
|
(trailers north of Bldg. S)
|
1966 - 1971, 1980 - 1983
|
|
|
STPC (=APC)
|
Redondo campus
|
2003 - 2009
|
|
|
STS
|
(trailers south of Bldg. S)
|
1965-1968
|
|
|
T1 (=R7+TF2)
|
Redondo campus
|
1984 - 1985
|
|
|
TF1
|
Redondo campus
|
1981 - present
|
|
|
TF2 (formerly T1)
|
Redondo campus
|
1985 - present
|
|
|
TF3
(=M8)
|
Redondo campus
|
1989 - 2004
|
|
|
TRC (=147 & ELSW?)
|
2525 E El Segundo, El Segundo
|
1982 - 1983
|
|