![]() After a preset timed interval, the large steel plug would lower to the level of theupper equipment room. After securing a metal ladder, the crew descended a few feet down the cylindrical shaft and entered another combination into the secondary door (B-plug) and retracted the locking bolts. These security procedures allowed retraction of the locking shaft and operation of the controls for the pump and two hydraulic cylinders used to slowly raise the steel and concrete primary door (personnel access hatch). Accessing - Launch Facilitiesįirst the security pit weather cover was removed, a combination was entered, and the security pit vault door was removed. To do this the maintenance crew had to pass through "formidable mechanical barriers" in a process that sometimes took up to an hour. ![]() Work on a Launch Facility frequently required access to underground facilities. The utility box had several different compartments that organized the equipment and tools needed to make repairs at the Launch Facilities or LCFs. This van was a three-quarter-ton pickup with a utility box on the back. Maintenance crews transported their equipment in "U-vans" or utility vans. As of 1963 maintenance teams at Launch Facility sites were required to be in contact with the LCF a minimum of every thirty minutes. The team chief was accountable for all activities at the site while they were performing maintenance duties. Even with the presence of a security alert team on all maintenance missions, the maintenance team chief was responsible for authenticating their access with the missile commander in the Launch Control Center (LCC). Despite routine maintenance and inspections at the LFs, the deputy commander for maintenance routinely received notification of equipment faults at LFs and LCFs directly from the missileers in the LCC.Ī maintenance team chief, responsible for supervising the crew, attended every maintenance call. The OMMS also repaired electrical, surveillance, and access systems. The OMMS had a mechanical and electrical branch that were responsible for the transportation, installation, and removal of missiles, the reentry vehicles and systems, propulsion system rocket engines, and the emergency rocket communications systems. This squadron also performed periodic maintenance at the sites. The FMMS maintained hydraulic and pneumatic systems, site support equipment, and test equipment. ![]() The Field Missile Maintenance Squadrons (FMMS) and the Organizational Missile Maintenance Squadrons (OMMS) were responsible for the actual maintenance of the Minuteman missiles and support equipment. Air Force maintenance included four divisions and two squadrons. Maintenance SquadronsĮach Minuteman wing included a deputy commander for maintenance who operated the base maintenance complex and was responsible for planning, scheduling, and directing all maintenance of LCF and LFs in their wing. The rank of the maintenance crew varied depending on the experience and responsibilities of the team, and could range from Airman up to Captain. The maintenance force was responsible for ensuring that all systems were operable and on ready status by following precise technical orders written by Air Force engineers. Missions marked with " † " were removed from later updates.A Missile Maintainer works on a Minuteman at a Launch FacilityĪlthough maintenance crews did not serve regular alert tours at the Launch Control Facilities, they routinely entered the control centers and silo sites to perform inspections, conduct routine upgrades, or make necessary repairs. Missions in GTA Online ( Category) | Missions | Beta Missions
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