Question: What is the name of the country retreat located close to Waynesboro, Pennsylvania and the Raven Rock Mountain Complex?

Context articles: Camp David
1108th Signal Brigade
Lumberville–Raven Rock Bridge
Tartown, Pennsylvania
Raven Rock Mountain Complex
Waynesboro, Pennsylvania
National Military Command System
Pennsylvania Route 16
Raven Rock State Park
Red Rock Mountain

Camp David is the country retreat of the President of the United States.
 It is located in wooded hills of Catoctin Mountain Park near Thurmont, Maryland, about 62 miles (100 km) north-northwest of Washington, D.C..
 It is officially known as the Naval Support Facility Thurmont, because it is technically a military installation, and staffing is primarily provided by the United States Navy and the United States Marine Corps.
The 1108th Signal Brigade is a United States Army unit responsible for running much of the Raven Rock Mountain Complex and providing strategic communication support to the White House and the Joint Chiefs of Staff.
 It was based at Fort Ritchie, but was recommended to be transferred to Fort Detrick, Maryland during the 1995 Base Realignment and Closure.
The Lumberville–Raven Rock Bridge, also known as the Lumberville Foot Bridge, is a free pedestrian bridge over the Delaware River.
 The bridge connects Bull's Island Recreation Area near Raven Rock, Delaware Township in Hunterdon County, New Jersey to Lumberville, Solebury Township in Bucks County, Pennsylvania, United States.
 The bridge, which is one of the two exclusively pedestrian bridges over the Delaware River, is owned and operated by the Delaware River Joint Toll Bridge Commission.
Tartown, formerly an unincorporated community, is now an extinct community in Adams County, Pennsylvania, United States.
 The remains of Tartown are located on property of the Waynesboro, Pennsylvania, Borough Authority and in the adjacent Michaux State Forest in Hamiltonban Township.
 The locale has in part been inundated by the reservoir created by the Waynesboro Dam on the East Branch of the Antietam Creek.
 The name reportedly originates from the local production of pine tar.
 Wagamansville is a variant name.
The Raven Rock Mountain Complex (RRMC) is an American military installation with an underground nuclear bunker near Blue Ridge Summit, Pennsylvania, at Raven Rock Mountain that has been called an "underground Pentagon."
 The bunker has emergency operations centers for the United States Army, Navy, and Air Force.
 Along with Mount Weather Emergency Operations Center in Virginia and the Cheyenne Mountain Complex in Colorado, it formed the core bunker complexes for the US Continuity of Government plan during the Cold War to survive a nuclear attack.
Waynesboro is a borough in Franklin County, Pennsylvania, on the southern border of the state.
 Waynesboro is in the Cumberland Valley between Hagerstown, Maryland, and Chambersburg, Pennsylvania.
 It is part of Chambersburg, PA Micropolitan Statistical Area, which is part of the Baltimore–Washington metropolitan area.
 It is 2 miles north of the Mason–Dixon line and close to Camp David and the Raven Rock Mountain Complex.
The National Military Command System (NMCS) was the federal government of the United States' Cold War command and control system that consisted of the National Military Command Center (NMCC) at The Pentagon, the Alternate National Military Command Center (NMCC) at Pennsylvania Raven Rock Mountain, 3 National Emergency Airborne Command Post (NEACP) aircraft on 24-hour ground alert, 2 National Emergency Command Post Afloat (NECPA) ships, "and interconnecting communications".
Pennsylvania Route 16 (PA 16) is a 43 mi east–west state route located in southern Pennsylvania, United States.
 The western terminus of the route is at U.S. Route 522 (US 522) in McConnellsburg.
 The eastern terminus is at the Mason–Dixon line in Liberty Township, where the road continues into Maryland as Maryland Route 140 (MD 140).
 PA 16 is a two-lane road that runs through rural areas in Fulton, Franklin, and Adams counties.
 The route heads east from McConnellsburg and crosses Tuscarora Mountain into Franklin County, where it continues east into the agricultural Cumberland Valley.
 Here, the passes through Mercersburg, Greencastle, and Waynesboro.
 PA 16 heads east through the South Mountain range, where it heads into Adams County and passes through Carroll Valley before coming to the Maryland border.
 PA 16 intersects several roads including PA 456 in Cove Gap, PA 75 and PA 416 in Mercersburg, PA 995 in Upton, US 11 and Interstate 81 (I-81) in Greencastle, PA 316 and PA 997 in Waynesboro, and PA 116 in Carroll Valley.
 The road's main name is Buchanan Trail in honor of former President James Buchanan, who was born near the road in Cove Gap.
Raven Rock State Park is a North Carolina state park in Harnett County, North Carolina in the United States.
 Located near Lillington, North Carolina, it covers 4,694 acre along the banks of the Cape Fear River.
 Raven Rock State Park is located on the eastern edge of the Piedmont.
Red Rock Mountain is a mountain located in Luzerne County, Pennsylvania.
 This summit is actually on the North Mountain escarpment.
 The escarpment in which Red Rock Mountain is located is a part of the Allegheny Plateau.
 This summit features a firetower, known as "Grandview" all located within the Ricketts Glen State Park.