Nike Missile Site BU-18 Launcher, Lancaster / Milgrove New York

BU-18 was not simply another missile battery in the ring around Buffalo. It became the eastern anchor of the Niagara-Buffalo Hercules force, the home of a firing battery and a battalion headquarters, and one of only three western New York Nike sites retained for the nuclear-capable Hercules era. Its radar compound stood along the Pavement Road corridor in Lancaster, while its underground magazines and launchers occupied a separate tract in the Milgrove area near Peppermint Road. For fourteen years, soldiers at those two locations kept watch over the approaches to Buffalo and the Niagara Frontier.

The battery began in 1956 as a Nike Ajax installation. During 1958 and 1959, the Army rebuilt it for Nike Hercules, a larger, longer-ranged missile that could carry either a conventional or nuclear warhead. BU-18 became operational with Hercules on 25 November 1959. That activation completed the Niagara-Buffalo ring of three Hercules batteries, with the other two at Cambria and Grand Island. BU-18 remained on alert until the regional Nike mission ended in March 1970.

The Army divided BU-18 into two physically separate but operationally inseparable areas. The Integrated Fire Control area, or IFC, was in Lancaster, east of Buffalo. The launch area was farther east in the Milgrove locality. The separation gave the radar crews the geometry needed to track a target and the outgoing missile independently, while also keeping the underground magazines, missile assembly functions, and warhead work away from the command, radar, and living area.

The Lancaster location placed BU-18 on the eastern side of the Buffalo defensive arc. An attacking bomber approaching western New York from the east or southeast would have threatened a region filled with heavy industry, rail lines, highways, lake shipping facilities, power infrastructure, and a large urban population. BU-18 worked with batteries south and north of Buffalo to create overlapping engagement coverage rather than defending a single factory or neighborhood.

The names Lancaster and Milgrove describe the two halves of the same battery. Some later inventories spell the launch-area locality as Millgrove, but contemporary and state historical references commonly identify it as Milgrove.

Strategic Purpose

Buffalo and Niagara Falls formed one of the most important industrial corridors on the Great Lakes. Buffalo's steel and iron plants, transportation network, manufacturing base, and population made it a potential Soviet bomber target. Niagara Falls added major hydroelectric power facilities and chemical and industrial plants. The Army initially organized separate Buffalo and Niagara Falls Defense Areas, then merged them in December 1961 as the Nike force shifted from many Ajax batteries to fewer Hercules sites.

BU-18 survived that consolidation because Hercules gave it greater range, altitude, lethality, and flexibility than Ajax. The site could engage bomber formations farther from the defended area, and its nuclear-capable warheads were intended to destroy multiple aircraft in a formation when a conventional intercept might not be enough. The battery's continued operation through 1970 shows that the Army considered Lancaster an important position in the reduced regional defense network.

Site Configuration and Decoded Meaning

The official configuration for BU-18 is Nike 3B/18H,30A/12L-U.

Decoded in plain English, the notation means:

3B: The launch area had three B-type underground missile magazines. A B-type magazine could support Ajax or Hercules after modifications, particularly changes to the elevator and handling arrangements required by the larger Hercules missile.

18H: The site's authorized Hercules configuration listed eighteen Nike Hercules missiles. A former BU-18 commander later recalled that each of the three magazines could physically accommodate seven Hercules missiles when the elevator position was included. The official inventory notation and the physical storage description therefore refer to different measures: authorized missile allocation versus maximum magazine positions.

30A: Before conversion, the Ajax configuration provided for thirty Nike Ajax missiles.

12L-U: The launch area had twelve universal launchers. Universal launchers could handle either Ajax or Hercules, which allowed the converted battery to use the rebuilt launch equipment during the transition and Hercules period.

The Ajax and Hercules numbers should not be read as a single simultaneous inventory. The notation compresses the site's two operational phases into one line: thirty Ajax missiles during the original period, then an eighteen-missile Hercules allocation after conversion. The three B magazines and twelve universal launchers explain why BU-18 could make that transition without becoming a double battery.

The Ajax Years, 1956-1958

BU-18 entered service in June 1956 as part of the Buffalo-area Nike deployment. Battery B, 465th Antiaircraft Artillery Missile Battalion, manned the new Lancaster/Milgrove battery. The 465th had been activated at Fort Niagara on 1 June 1956, and its personnel received on-the-job training from the more experienced 44th Antiaircraft Artillery Missile Battalion before taking over the new Erie County sites at Millersport and Lancaster.

Nike Ajax was the first operational guided surface-to-air missile deployed nationwide by the Army. At BU-18, the IFC crews used acquisition, target-tracking, and missile-tracking radars to follow an aircraft and guide the missile to an intercept point. The launch crews maintained liquid-fueled Ajax missiles in underground magazines, raised them by elevator, and moved them onto surface launchers. The two sites were linked by communications and functioned as one fire unit.

In September 1958, the Army reorganized its missile units under the Combat Arms Regimental System. The 465th Missile Battalion became the 2nd Missile Battalion, 62nd Artillery. BU-18's firing battery continued its mission under the new designation while construction for Hercules conversion was already underway.

Conversion to Nike Hercules

The Army began BU-18's Hercules conversion work in May 1958. Construction continued through April 1959 and included changes to the magazines, elevators, launch equipment, radar complex, electrical systems, and support facilities. The converted battery became operational with Hercules on 25 November 1959.

That date is especially important in the site's history. Cambria and Grand Island had converted earlier. When BU-18 joined them, the Niagara-Buffalo Defense had a complete three-site Hercules ring. The four Ajax-only batteries at Millersport, Hamburg, Orchard Park, and Model City were later phased out, leaving Lancaster, Cambria, and Grand Island as the long-lived core of the regional missile defense.

Hercules transformed the character of the battery. The missile was larger and used solid propellant, which simplified readiness compared with liquid-fueled Ajax. It had substantially greater range and altitude capability. It also introduced a nuclear-capable mission. Former BU-18 commander Henry Earl Close later described the strict coded authorization and dual-person controls associated with nuclear employment. Those procedures reflected the enormous consequences of the weapon and the need to prevent unauthorized arming or firing.

The Lancaster IFC and Battalion Headquarters

BU-18's most distinctive feature was the scale and complexity of its IFC compound. It did not house only a firing battery. It also accommodated a battalion headquarters and headquarters battery. That made Lancaster a command and administrative center as well as an operational missile site.

Former commander Earl Close described two motor-pool buildings, storage, battalion headquarters offices, firing-battery offices, bachelor officer quarters, barracks, a mess hall, generator facilities, and the radar and fire-control complex. The radar area included the Battery Control and Radar Control vans connected through the Fire Unit Integrated Facility, plus towers or positions for the Missile Tracking Radar, Target Tracking Radar, and acquisition radars.

The headquarters presence increased the daily population and activity at BU-18. Staff officers and enlisted personnel handled operations, logistics, maintenance, administration, and readiness for the battalion while the firing battery maintained continuous alert. That combination helps explain why the Lancaster compound had more buildings and a broader post-military reuse than many smaller Nike IFC sites.

Improved Nike Hercules and Radar Modernization

BU-18 did not remain frozen in its 1959 configuration. The site continued to receive Improved Nike Hercules modifications during the 1960s. In early 1964, Battery B reported that installation of the High-Power Acquisition Radar, or HIPAR, and related improvements was nearly complete.

HIPAR extended the battery's search capability and improved performance against faster and more difficult targets. A Target Ranging Radar was also added. The ranging radar operated on a different frequency from the Target Tracking Radar, giving the battery another means of determining target range if an aircraft attempted electronic jamming. Former personnel also recalled the installation of an experimental long-range search radar and the replacement of an earlier high-power set with a newer model.

These changes made BU-18 more than a converted 1950s Ajax site. By the mid-1960s, it was an Improved Nike Hercules battery adapted for the more demanding electronic environment of the later Cold War.

The 1966 Fallout Shelter

Around 1966, the Army constructed an unusual above-ground fallout shelter at the Lancaster IFC area. Former commander Close described it as a heavily reinforced concrete structure capable of sheltering roughly one hundred personnel. It included an air-lock-style entrance and space for sleeping and operations. The Battery Control and Radar Control vans were moved inside or integrated with the protected area so the site could continue its mission during fallout conditions.

Very few Nike IFC sites received a shelter of this kind. Its presence at BU-18 reflects the site's dual role as a firing battery and battalion headquarters, as well as the expectation that personnel might have to remain operational after a nuclear attack elsewhere in the region. Launcher-area crews relied on the underground magazines for protection.

Regular Army and New York Army National Guard Service

The sequence of units at BU-18 tracks the evolution of the Army's air-defense force.

Battery B, 465th Missile Battalion, manned the Ajax battery from June 1956 to September 1958.

The unit was redesignated under the 2nd Missile Battalion, 62nd Artillery, and continued at Lancaster through December 1961. This organization oversaw the transition to Hercules and the battery's 25 November 1959 activation in the new role.

The 1st Missile Battalion, 4th Artillery, Regular Army, assumed responsibility from December 1961 until April 1963.

On 19 April 1963, Battery B, 2nd Missile Battalion, 209th Artillery, New York Army National Guard, formally took over the Lancaster Hercules site from the Regular Army. Captain Henry E. Close became battery commander. The National Guard remained responsible for BU-18 until the site closed in March 1970.

The Guard takeover did not reduce the mission to part-time status. Nike National Guard batteries maintained round-the-clock federal alert requirements with full-time technicians and rotating crews. They trained to the same firing and readiness standards as Regular Army units and deployed to missile ranges for annual service practice.

Training, Inspections, and Firing Record

BU-18's surviving unit-level record gives a rare view of life inside a Nike battery. Captain Close's newsletters repeatedly emphasized inspections, maintenance, training, and qualification. This was a technical unit in which a radar fault, guidance error, generator problem, or launcher deficiency could make the entire battery ineffective.

In December 1963, the Lancaster battery fired three missiles during a Short Notice Annual Practice at McGregor Range and achieved a score of 94.4 percent. The First Region awarded the unit a Distinguished Fire Unit Award. A 1964 battery newsletter reported that the 2nd Missile Battalion, 209th Artillery, had fired thirty-nine missiles at McGregor Range since 1960, with thirty-four clean kills. The same record noted three launch failures, two attributed to boosters and one to a missile guidance unit.

Those statistics are important because they show that BU-18's readiness was measured through live firing, not simply local drills. The crews had to move from their fixed Western New York site to a range, operate unfamiliar range interfaces, and demonstrate that their radars, computers, launch procedures, and teamwork could produce an intercept.

How BU-18 Worked on Alert

At the IFC area, acquisition radar operators searched the assigned airspace and passed target information to the tracking section. The Target Tracking Radar followed the aircraft, while the Missile Tracking Radar followed the outgoing missile. The fire-control computer continuously compared the two tracks and calculated steering commands. The missile received those commands from the ground until the system ordered detonation at the calculated intercept point.

At the launch area, crews maintained missiles in three underground magazines. Each magazine used an elevator to raise a missile and launcher to the surface. Former personnel described three fixed surface launchers associated with each magazine plus a launcher on the elevator, creating the twelve-launcher arrangement recorded in the official configuration. A warhead building, missile assembly building, generator building, launcher-control trailer, security facilities, kennels, barracks, and officer quarters supported the firing mission.

The radar and launch compounds were several miles apart, but they had to react as a single system. A successful engagement required communications, identification, target assignment, radar lock, launcher selection, missile preparation, and guidance to occur in a tightly controlled sequence.

Role in the Wider Military Network

BU-18 belonged to a layered regional and continental air-defense system. Locally, it overlapped coverage with NF-16 at Cambria and NF-41 on Grand Island. Those three Hercules sites formed the final Nike shield for the Niagara-Buffalo region after the Ajax batteries closed.

At the command level, the regional Army Air Defense Command Post moved to Lockport Air Force Station in 1961. There, Missile Master and later BIRDIE equipment helped coordinate target assignments among the Nike batteries and connected the Army network with the Air Force's broader radar and Semi-Automatic Ground Environment system. This coordination reduced the chance that multiple batteries would waste missiles on the same target and helped integrate local missile engagements with fighter-interceptor operations.

BU-18 also depended on regional maintenance and logistics support. The Niagara Falls U.S. Army Support Center and combined field-maintenance functions supplied parts and specialized assistance. Battalion headquarters at Lancaster linked the firing battery to that wider support and command structure.

Closure in March 1970

The Niagara-Buffalo Nike mission ended in March 1970. By then, the principal Soviet threat had shifted from manned bombers toward intercontinental and submarine-launched ballistic missiles, weapons the Nike Hercules network was not designed to defeat. The Army was also reducing the number of continental air-defense sites and concentrating resources elsewhere.

BU-18 closed with the other surviving western New York Hercules batteries. Its fourteen-year operational life was longer than those of the Ajax-only sites, but short compared with the industrial and civic facilities it had been built to protect. The closure ended both the firing mission and Lancaster's role as a battalion headquarters.

Post-Military Reuse of the IFC Area

The Lancaster IFC area moved quickly into municipal use. Town records indicate that the Lancaster Police Department relocated to the former Nike base on Pavement Road in 1975. The site became known as the Lancaster Center and accommodated police, recreation, judicial, and other local-government functions. Later Town Board records document continued acquisition and improvement activity associated with the former BU-18 property.

The reuse preserved portions of the site's built environment even as new municipal construction changed the compound. Public site surveys have noted that several former military buildings remained in use, while the original radar setting was largely redeveloped. A modern police and courts center opened on the former base property in 2014, continuing the site's public-service role.

This adaptive reuse is one of BU-18's most visible legacies. The IFC did not disappear into vacant land. It became a civic campus, allowing the former military tract to remain a recognizable public place even after most residents no longer associated it with nuclear air defense.

Post-Military Reuse of the Launch Area

The Milgrove launch area followed a different path. Former commander Close recalled that a private owner converted the barracks into a residence and opened one underground magazine as a machine and antique-car repair shop. Other military buildings were removed. Later site surveys described the launch property as privately owned, with the magazine area used for equipment repair or storage and parkland around parts of the former site.

The underground magazines, elevator structures, and heavy concrete construction made the launch area difficult to erase completely. Even where surface buildings disappeared, the subsurface military architecture remained the dominant physical feature. Public accounts have described at least some magazine equipment as functional long after closure, although present conditions should be verified before any site visit or preservation assessment.

Chronology

• 1956 The Lancaster and Milgrove properties entered service as BU-18, initially equipped with Nike Ajax.
• 1958-09-01 The site became part of the 2nd Missile Battalion, 62nd Artillery under the Combat Arms Regimental System.
• 1958-1959 Construction modified the three B-type underground magazines and associated launch equipment for Nike Hercules.
• 1959-11-25 The Hercules-equipped BU-18 battery became operational, completing the three-site Niagara-Buffalo Hercules ring.
• 1960-1963 BU-18 continued under Regular Army operation and served as a battalion-headquarters location.
• 1963-04-19 Battery B, 2nd Missile Battalion, 209th Artillery, New York Army National Guard, assumed the Lancaster Hercules mission.
• 1963-1969 The Guard operated BU-18 through the Improved Nike Hercules period, including upgraded radar and regional command integration.
• 1969-12-19 The Army announced that Lancaster, Cambria, and Grand Island would close within 105 days.
• 1970-03-31 BU-18 ended active service as one of the final three Niagara-Buffalo Nike batteries.
• 1975 The Lancaster Police Department moved onto the former IFC property.
• 1996 Later site surveys documented extensive survival and adaptive use at the former launcher property.
• 2014 Lancaster opened a new police and court facility within the municipal complex developed on the former IFC property.