Relieved Kestrel. Coffee urn seal replaced. No traffic on access road.
BMDECOMMISSIONED 1994 / PUBLIC ACCESS 2011
SILO9
Nine levels below the prairie, a machine built for one terrible minute now keeps a different kind of watch.
Call the elevatorAUTHORIZED MUSEUM DESCENT
L1
- 04 M
Surface intake
Blast baffling, prairie dust and the last rectangle of daylight.
LEVEL 09 / MUSEUM ACCESS
Nothing beyond this door can answer a command.
The launch-control room was electrically isolated in 1994. What remains is witness, not weapon.
LEVEL 09 / ARRIVAL CONFIRMED
Exhibit door / no command pathway
THE BURIED MACHINE
A vertical city for four.
The shaft was poured in eleven uninterrupted days. Its rooms were isolated on springs, fed by buried air, water and power lines, and occupied by two-person crews in twenty-four-hour shifts.
- Depth
- 43.7 m
- Concrete
- 2,640 t
- Service
- 1968 to 1994
PRAIRIE GRADE
- 01Surface intake
- 02Security gallery
- 03Decon passage
- 04Life support
- 05Crew quarters
- 06Power room
- 07Command access
- 08Shock corridor
- 09Launch control
EXHIBIT LC-02 / DOCENT SUPERVISION
The two-key ceremony
Two officers once stood beyond arm’s reach. Neither could complete the sequence alone. The museum has preserved the geometry and removed the consequence.
DEMONSTRATION SAFE
TWO VISITORS REQUIRED
Turn both keys together
Use two fingers, or activate one key and the other within 3 seconds. Keyboard: Z and /
The circuit is open. Nothing is armed.
ALERT CREW DAILY LOG / SELECTED LEAVES
Boredom was part of the deterrent.
Most shifts were maintenance, weather and waiting. These reconstructed entries combine preserved duty books with oral-history interviews from crews Kestrel, Alder and Northwind.
TIMECREW NOTEINITIAL
Channel test with sector relay. Seven seconds of static, then routine authentication.
SLLunch: tomato soup, crackers. Lt. Morrow won the third chess game this week.
BMRead condenser gauges. Wrote daughter’s birthday card. Snow began at grade.
SLMidnight inventory complete. All sealed envelopes counted. Nothing to report.
BMNO EVENT
IS THE EVENT
IS THE EVENT
Shift book 71-C
Recovered from desk drawer 04
Accession 2011.09.184
Dismantled in daylight.
Between May and October 1994, inspectors removed the guidance racks, cut every command cable and poured the launch tube with aggregate. The control room remained as a witness.
END OF VISITOR ROUTE / RETURN LIFT
The safest command was the one never given.
Silo 9 preserves the labor, fear and restraint of 312 recorded crew members. It does not preserve a weapon.
- Open
- Thu to Sun, 10:00 to 16:00
- Descent
- Timed entry, 12 visitors per group
- Location
- Blackgrass County Historical Reserve