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25 July 2022

Home Page
- Added message about Bitzero buying the MSR for a data center
SRMSC Redevelopment
- Added AP article "Bitzero to buy old North Dakota missile site for data center"

10 July 2021

MSR
- MSR / MSCB / MSPP Interiors in 2017
  - New photo gallery
- MSR / MSCB Photos: Interior - Antenna Beam Steering
  - New photo gallery
- MSR / MSCB / MSPP Photos: Interior - Miscellaneous, Gallery D
  - Updated photo:
    - 04005: Photo shows the ERC (Equipment Readiness Center) not the BMDOC (Ballistic Missile Defense Operations Center).
- MSR / MSCB Photos: Other - Antenna Installation
  - Added photo (from Cynthia LaNell via Facebook):
    - L201: Antenna installation cabs
- MSR / MSCB / MSPP Photos: Other - Power Plant / SOCC, Gallery 1
  - Added links to:
    - Power Plant Comments
    - Cooper-Bessemer LSV-16 prime mover videos
      (From Michael Ophus via Facebook)
  - Added photo:
    - C104: Cooper-Bessemer prime mover passing through the PEUT enroute to the power plant.
  - Updated photo caption:
    - 00104: CCTV camera information from Dale Whitacre.
- MSR Admin/Housing Areas Photo Gallery - Family Housing
  - Added photo:
    - E007: Winter time in the family housing area.
      (From Facebook, @ArmySMDC)
- MSR Admin/Housing Areas Photo Gallery - Food Service
  - Updated photo caption:
    - 0110: Added comments from:
      - David McKinney Jr via Facebook
      - Vickie Ingulsrud Froehlich via Facebook
- MSR / MSCB / MSPP HAER Descriptions and Drawings
  - Added links to high resolution tiff images at the Library of Congress.
- MSR / MSCB / MSPP Photos: Other - Reference Photos
  - Added links to high resolution tiff images at the Library of Congress.

PAR
- PARB Miscellaneous Exterior Photos
  - Added photo (from Cynthia LaNell via Facebook):
    - L200: Closeup of the antenna face
- PAR Power Plant
  - Added links to:
    - Power Plant Comments
    - Cooper-Bessemer LSV-16 prime mover videos
      (From Michael Ophus via Facebook)
  - Updated photo captions (from David Mckinney Jr via Facebook):
    - 7455: Generator M1, lower level
    - 7458: Generator M1, air intakes
  - Added photos (from Cynthia LaNell via Facebook):
    - L203: Generator closeup
    - L205: Top of prime mover (diesel engine)
    - L202: Control room
- PAR Tactical Support Equipment
  - Added photos (from Cynthia LaNell via Facebook):
    - L204
    - L206
- PAR Reference Information
  - Added links to high resolution tiff images at the Library of Congress.

DPS
- DPS Photo Gallery - MSDP (Missile Site Data Processor)
  - Added cover photos and links to PDF's:
    - W070: Bell System Technical Journal - Special Supplement - Safeguard Data-Processing System
    - C027: Introduction to the Safeguard Data Processing System
      (from Chris Craft via Facebook):
  - Added cover photo:
    - D600: R & D Software - Generation Breakdown
      (from John Delebo via Facebook):
- DPS (Continued)
  - Added link to PDF:
    - Introduction to the Safeguard Data Processing System
      (from Chris Craft via Facebook):

Missiles / Missile Support
- MSR Missile Support Gallery 5 - (UMB and WHB Interiors in 2017)
  - New photo gallery
- MSR Missile Support HAER Descriptions and Drawings
  - Added links to high resolution tiff images at the Library of Congress.

RSL's
- RSL 3 - Gallery E (from the "Unfamiliar Land" tour)
  - New photo gallery
- RSL 4 - Gallery D (Auction Photos)
  - New photo gallery

Miscellaneous
- Safeguard Memorabilia Gallery 2
  - Updated photo caption:
    - H000: Added ordering instructions for "Selected Recipes - Safeguard Wives Club".
  - Added photos (from David McKinney Jr via Facebook of his father):
    - E005: SFC David L. McKinney re-enlists at Nekoma.
    - E004: SFC David L. McKinney receives a Certificate of Recognition.
  - Added photos, comments, and links regarding Henry Kissinger's visit to SRMSC:
    - Photos
      - D500: from Kathy Doherty Downs via Facebook
      - F020: from Vickie Froehlich vi via Facebook
    - Comments
      - from Kathy Doherty Downs via Facebook
      - from George Rasi vi via Facebook
    - Links
      - Grand Forks Herald newspaper article
      - SRMSC Guardian newsletter article
  - Added photo and comments (from Kathy Doherty Downs via Facebook):
    - D501: Col. Lillibridge, Gen. Westmoreland, and Lt. Col. Leber visit SRMSC.
  - Added photo and comments (from Paul Shambroom via Facebook):
    - S400: 15 pound concrete replica of the PAR
- Vincent Godon Collection (Media Coverage)
  - Added links to entry 1974-07-26 Kissinger: ABM Sites Stay:
    - Photos of Kissinger's visit
    - SRMSC Guardian newsletter article about Kissinger's visit
- Media Coverage
  - Added PDF (from Ron Plante):
    - Nike Zeus - Missile Killer!
- Hal Ledbetter Photos (1993)
  - New photo gallery
- SRMSC Redevelopment
  - Added 19 May 2021 article: Cavalier County is the recipient of grant dollars.
- Video: Safeguard In Operation
  - Added links to:
    - Cooper-Bessemer LSV-16 prime mover videos
      (From Michael Ophus via Facebook)
- Video: Safeguard After Shutdown
  - Added links to:
    - War and Peace in the Nuclear Age; Safeguard ABM Site
      (WGBH B-roll footage, Discovered by Rob Branting via Facebook)
    - Pyramid On The Plains: The Life and Death of ABM in North Dakota
      (From Rob Branting, State Historical Society of North Dakota)
- References
  - Added:
    - High Altitude Nuclear Weapon Effects - Part Two - Systems Interference
    - The Impact Of The Safeguard Antiballistic Missile System Construction On Northeastern North Dakota
      (Contributed by David McKinney Jr via Facebook)
    - Introduction To The Safeguard Data Processing System
      (Contributed by Chris Craft via Facebook)
    - Northrop Grumman to upgrade U.S. early warning military radar
      (Contributed by Jeff Krob via Facebook)
    - (Fortran) Program Documentation Cooper-Bessemer LSV-16, Diesel
      (Contributed by David McKinney Jr via Facebook)
    - R & D Software - Generation Breakdown (cover only)
      (Contributed by John Delebo via Facebook)
- Glossary
  - Added:
    - DDA - Digital Data Amplifier
  - Updated:
    - ERC: Equipment Readiness Center (updated photo)

29 October 2019

MSR
- MSR / MSCB Photos: Interior - Transmitter
  - Added photos:
    - High Voltage Room
      - I006: Capacitor banks.
      - I005: HVPS (High Voltage Power System) shorting bars.
      - I017: HVPS (High Voltage Power System) control module.
      - I004: Crowbar closeup.
      - I003: Surge resistor (or surge arrestor).
    - Klystron Room
      - I007: Klystron tank closeup.
      - I016: Tank installation.
      - I002: Overhead view of platform over klystron tank.
    - Transmitter Control Room
      - I018: Transmitter control group.
    - Ancillary Rooms
      - I012-I014: Transmitter cooling equipment.
      - I015: Transmitter oil cooling system.
    - Miscellaneous
      - I000: Room 114: antenna cooling system.
- MSR / MSCB Photos: Interior - Anechoic Chamber
  - Added photos:
    - I024: Antenna feedhorn.
    - I022, I023: Room 405, directly behind the four anechoic chambers.
- MSR / MSCB Photos: Interior - Receiver
  - Added photo I021: RF receivers and parametric amplifiers.
- MSR / MSCB Photos: Interior - Miscellaneous, Gallery D
  - Rearranged photos into subtopics:
    - Miscellaneous
    - BMDOC (Ballistic Missile Defense Operations Center)
    - DPS (Data Processing System)
    - Power Plant
    - Arms Room
    - SOCC (Security Operations Control Center)
    - TMRC (Technical Maintenance and Repair Center)
  - Corrected caption on photo 04006:
    "MSCB ERC (Equipment Readiness Center)" is really the Data Processing System.
  - Added photos:
    - Miscellaneous
      - I001: Digital cooling equipment in room 101.
      - I008: Digital cooling equipment.
    - Power Plant
      - I009: Precision motor generators.
      - I010: Motor control center.
      - I011: Motor control switch gear.
    - TMRC (Technical Maintenance and Repair Center)
      - I019: Room 142 technical maintenance and repair center (TMRC).
      - I020: Test sets in TMRC room 142.
- MSR / MSCB Photos: Interior - Levels 3 & 4
  - Added photo I025: Fourth floor mezzanine - 2 ton crane.
- Missile Site Radar (MSR) Complex
  - Added introductory YouTube video: MSR Complex Aerial Tour
- MSR / MSCB Photos: Exterior - Aerial
  - Added photos:
    - K020-K026
    - E003
- MSR / MSCB Photos: Exterior - Miscellaneous, Gallery A
  - Added photo J002: MSR winter 2016.
- MSR / MSCB Photos: Exterior - High Altitude, Aerial, External Closeups, Gallery B
  - Added photos:
    - 4013: Access road to turret external areas.
    - 4011: Jeffrey Grove at the MSR turret.
    - P105, P132, P134: Antenna closeup 2016.
- MSR / MSCB Photos: Exterior - Underground Entrance Area, Gallery C
  - Added photos:
    - P121: Entrance to underground complex (2016).
    - P117: Interior view of entrance to underground complex (2016).
    - 3113: Interior of MSR/MSCB emergency exit.
- MSR / MSCB Photos: Exterior - Miscellaneous, Gallery E
  - Added photos:
    - 4010: MSR wide view.
    - 4014, 4015, F002: MSR from the south-southeast.
    - J001: MSR winter 2016.
- MSR / MSCB Photos: Exterior - Miscellaneous, Gallery 2 (Winter)
  - Added 19 MSR winter photos.
- MSR / MSCB Photos: Other - Power Plant, Gallery 3 (Mark Perry photos)
  - Added 5 power plant exterior photos.
- MSR / MSCB Photos: Exterior - Miscellaneous, Gallery 4 (Mark Perry photos)
  - Added 2 exterior MSR photos.
- MSR Admin/Housing Areas Gallery A
  - Added photo J000: Chapel, winter view, 2016.
- MSR Admin/Housing Areas Gallery B
  - Added photos:
    - U007: MSR officers' quarters, interior.
    - 3107: LASS holding cell.
    - P113: LASS and MSR 2016.
    - 6 photos: LASS interior.
- MSR Admin/Housing Areas Photo Gallery - Misc. Gallery 2 (Scott Murdock photos)
  - Updated captions:
    - S101: "Laundromat?" is really the pin setters in the bowling alley.
    - S108: Library.
- MSR Admin/Housing Areas Photo Gallery - Misc. Gallery 3 (Mark Perry)
  - Added captions on photos P050, P049.
  - Added 11 interior / exterior photos.
- MSR Admin/Housing Areas Photo Gallery - Community Center Interior
  - New photo gallery with 12 interior photos.

PAR
- PARB Miscellaneous Exterior Photos
  - Added photos:
    - T036: Joggers, PARB in background.
    - T048: Wide view of PAR showing new stacks from the 2014 power plant upgrade.
    - M400: PAR radar, artist concept drawing, 1968.
    - T052, T051, T050: Personnel in front of the antenna.
    - T041: Roof hatch.
    - T038: Roof.
- PAR Radar Components
  - Added photo T042: Phase shifter service platform, level 3.
- PAR Power Plant
  - Added photos:
    - T040: Generator module.
    - T039: Control room.
    - T049: 2017 police week photo showing new power plant stacks.
- PAR Operations Center (PAROC)
  - Added comment at top of page:
    - "First four photos show original 1970's equipment before the upgrade to flat panel displays and monitors."
  - Added photo:
    - T047: Air Force security forces training in the corridor outside the MWOC (Missile Warning Operations Center).
- PAR Data Processing System (DPS)
  - Added comment at top of page:
    - "All of the original 1970's DPS equipment shown below has been replaced with a modern system rumored to be about the size of a closet (or one of the digital rack cabinets in photo 7423)."
- PARB Miscellaneous Interior Photos
  - Photos T004, T014: Added link to "MSR Complex" sign in its original location.

Missiles / Missile Support
- Sprint (Continued)
  - Added link: Sprint ABM (astronautix.com)
- Spartan (Continued)
  - Added links:
    - Spartan ABM (astronautix.com)
    - Spartan Warhead Test (YouTube video)
- MSR Missile Support Gallery 1
  - Added photos:
    - P110: MSR seen from warhead building emergency escape tunnel.
    - P109: Sally port and EASS.
    - 4012: MSR from the missile field.
- MSR Missile Support Gallery 2
  - Changed caption on photo 1038 to link to "electrical distribution centers" page.
  - Added photos:
    - S701: Spartan Universal Transporter Loader (UTL).
    - S702: Sprint Service Van (SSV) in travel mode.
    - S703: Sprint Service Van (SSV) in deployed mode.
- Missile Site (MSR) Launch Area - EDC's
  - Added photo showing the two "Electrical Distribution Centers"
  - Added note about connection to MSCB via the LAUT.
- MSR Missile Support Gallery 4 - (Mark Perry photos)
  - New photo gallery with 9 exterior photos.

RSL's
- Remote Sprint Launch Site (RSL) - Photo Galleries and Links
  - Added links:
    - RSL 2: "For Sale" information
    - RSL 3: Tour information
- RSL 3 - Gallery D (Mark Perry photos)
  - Added 13 exterior / interior photos from 2016.

Miscellaneous
- Introduction (Continued)
  - Revised "caretaker status" information to include redevelopment activity.
  - Added four introductory YouTube videos.
- Safeguard Memorabilia - Photo Galleries and Newsletters
  - Added 17 PDF issues of "The Guardian", the SRMSC site newsletter.
- Safeguard Memorabilia Gallery 2
  - Added photos:
    - U005: Letter from General Mullens to Langdon postmaster John Delebo.
    - G140: Plaque presented to SSG Ernest J. Golwitzer.
    - H000: Selected Recipes - Safeguard Wives Club (cover only).
    - 4030: Certificate of Appreciation presented to W. R. Thompson.
    - J200: General Mullens promoting John Tracey.
    - J201: General Mullens promoting Bruce Gelinas.
    - J202: Newspaper article about the Tracey and Gelinas promotions.
- BMDC Photo Gallery
  - Added photo U003: BMDC operations center.
- Safeguard Construction Gallery B
  - Added photos:
    - C021: Winter construction, MSCB, 1973.
    - C020: Antenna element installation 1973.
- DPS Photo Gallery - MSDP (Missile Site Data Processor)
  - Added reference manual photos (cover only):
    - C022: Tactical Programming Fundamentals.
    - C023: Figure 6. General Structure of Safeguard Subsystems
    - C024: Concepts and Techniques of Real-Time Design
- Video: Safeguard in Operation
  - Added 3 YouTube videos:
    - Safeguard Missile Program
    - Ghosts of North Dakota
    - Spartan Warhead Test
- Video: Safeguard After Shutdown
  - New page with links to:
    - MSR Tactical Area Virtual Tour
    - Drone videos
      - MSR Complex Aerial Tour
      - Stanley R. Mickelsen Safeguard Complex, Nekoma, ND
      - Missile Site Radar Pyramid in Nekoma North Dakota
    - RSL 2 "For Sale" information and videos.
- Safeguard Training Facility
  - Added YouTube video "Safeguard Missile Program ".
    - "....created for a kiosk located at Fort Bliss, as part of an exhibit on the Safeguard Missile Program."
- Off Post Photos
  - Added photos:
    - C025: 8-plexes, winter 1976.
    - H002-H005: 8-plex construction.
- SRMSC Post-Closure Activities
  - Added: Additional comments regarding post-closure activities from Ves Fulp.
- SRMSC Redevelopment
  - Added September 2017:
    - Cavalier County JDA (Job Development Authority) purchases MSR tactical area from the Spring Creek Hutterite Colony.
    - KNDK interview with Carol Goodman and Shannon Duerr.
    - Cavalier County Republican newspaper article.
- Maps
  - Reorganized map listing.
  - Added:
    - SRMSC / Components / Map 2
    - Missouri (Whiteman AFB) Planned Deployment / Map 2
    - Montana (Malmstrom AFB) Planned Deployment / Map 2
    - Wyoming (Warren AFB) Planned Deployment
- Links
  - Added:
    - BMEWS is gone!
    - Facebook: Stanley R. Mickelsen Safeguard Complex (Official page)
    - The place where the U.S. would fire nuclear missiles at incoming nuclear missles
    - RSL 3 Tours
    - Spartan ABM (astronautix.com)
    - Spartan Warhead Test (YouTube video)
    - Sprint ABM (astronautix.com)
- Media Coverage
  - Added:
    - ABM Site Choices Given Mixed Reception
    - Caretaker's job not 'run-of-the-mill'
    - Cavalier AFS seeing multi million upgrades
    - Chilly reminder of Cold War era
    - Cold War-era Air Force radar station gets a facelift
    - The Guardian - SRMSC Site Newsletter (17 PDF issues)
    - The pyramid at the end of the world
    - Remembering the Missiles
    - Safeguard: 2300 man construction force
    - Seattle, Wash., Area To Get Sentinel Missile Bases
    - The Year of Progress (1971)
- References
  - Added:
    - Link to PDF for
      To Defend and Deter: The Legacy of the United States Cold War Missile Program
    - FY 73 Safeguard Rationale
    - Safeguard Lightning Evaluation Task Group: Summary Report
    - Safeguard Training Program: Tactical Programming Fundamentals (cover only)
    - Tactical Support Software - Overview Manual, Part 2 - Concepts and Techniques of Real-Time Design (cover only)

2 May 2018

Implemented TLS/SSL encryption.
References
- Added Progress in Defense and Space
  - A History of the Aerospace Group of the General Electric Company
  - Thanks, Jeff Krob

15 November 2017

Home Page
- Added message about new MSR Complex Virtual Tour
Missile Site Radar (MSR) Complex
- Added "Introductory Information" section with links to
  - MSR Tactical Area Virtual Tour
  - Two drone videos (YouTube) that give a good overview of the MSR complex

17 July 2016

Home Page
- Added link to color version of main photo.
Minuteman Missile - A Tribute To The ICBM Program
- Added links to Dave Fields' new web site on:

4 November 2015

St. Louis Defense Area Nike Sites
- Somewhat off topic, but added this new section after discovering some old 1968 photos of Nike site SL-10 (Marine, IL).
- Updated Links to add new section.

5 January 2015

References
- Added two PDF's containing
  HAER ND-9: The Stanley R. Mickelsen Safeguard Complex
  (HAER = Historic American Engineering Record)
  - Volume 1: Historical Context
  - Volume 2: Architectural Data and Photographs
- Thanks to Martin Perschler of the National Park Service and Ron Plante for providing photo copies.

Earlier updates:

See Change Log Archive