![Fort Pickens, Fla., [and vicinity]. Showing the positions and strength of the Enemy's Batteries, so far as known by actual observation, and also of our own sand Batteries. [Signed] Lt. Walter McFarland, U. S. Corps Engineers, Fort Pickens, June 10, 1861.](https://cache.getarchive.net/Prod/thumb/cdn10/L3Bob3RvLzE4NjEvMDYvMTAvZm9ydC1waWNrZW5zLWZsYS1hbmQtdmljaW5pdHktc2hvd2luZy10aGUtcG9zaXRpb25zLWFuZC1zdHJlbmd0aC1vZi10aGUtZW5lbXlzLTI5MzQ4ZS0xMDI0LmpwZw%3D%3D/40/33/webp "Fort Pickens, Fla., [and vicinity]. Showing the positions and strength of the Enemy's Batteries, so far as known by actual observation, and also of our own sand Batteries. [Signed] Lt. Walter McFarland, U. S. Corps Engineers, Fort Pickens, June 10, 1861.")
Fort Pickens, Fla., [and vicinity]. Showing the positions and strength...
"Fortifications Map File" Plans of Military Forts
The Comets Observation
Berryman Political Cartoon Collection
Artillery observation post (British) during the Mesopotamian Campaign
British Photographs of World War I
Observer mounting into an observation balloon
British Photographs of World War I
Former German observation post now used by the British. ST. Eloi
British Photographs of World War I
Gen. Douglas (British Army) watching movements of the enemy and direct...
British Photographs of World War I
Turkish observation post captured by the British during the Mesopotami...
British Photographs of World War I
King George leaving an observation post on Vimy Ridge. 7-11-1917
British Photographs of World War I
Cleverly camouflaged German observation station at La Bassee. Ypres Sa...
British Photographs of World War I
A German concrete machine Gun position and observation post built to r...
British Photographs of World War I
British observation post during Mesopotamian Campaign
British Photographs of World War I
Scene at a British observation post on the Italian Front
British Photographs of World War I
Disabled tank used as an observation post. Near Ribecourt, France. 11-...
British Photographs of World War I
Former German observation post. ST. Eloi
British Photographs of World War I
Ladder leading to an observation station in a tree top. Near Cambrai, ...
British Photographs of World War I
Observer jumping from an observation balloon. Near Metz, France. 1-25-...
British Photographs of World War I
View taken from an abandoned German observation post during the Ypres ...
British Photographs of World War I
Artwork: "Observation Balloon," World War I. Artist: George Harding. U...
The original finding aid described this photograph as: Country: Unknown Scene Camera Operator: Unknown Release Status: Released to Public Combined Military Service Digital Photographic Files
Airplanes - Miscellaneous - Keeping tabs of Army fliers. This man is s...
Date Taken: 1917 Photographer: International Film Service Airplanes - Miscellaneous
Airplanes - Types - De Havilland 9 - observation - British. Upper) De ...
Photographer: Signal Corps - U.S.A. Airplanes - Types
Observation post at a command post on the Western front
German Military Activities and Personnel
Western front. The arrivl of a messenger dog with boxes of carrier pig...
German Military Activities and Personnel
Western front. The arrival of a messenger dog with a carrier pigeon at...
German Military Activities and Personnel
Balloons - Flights - Observation Balloon
Balloons - Flights
Balloons - Observation - Omaha Balloon School. Omaha, Nebraska. Observ...
Photographer: Underwood & Underwood Balloons - Observation
Balloons - Observation - Hauling an observation balloon into position
Balloons - Observation
Balloons - Observation - Hauling an observation balloon fro the hangar...
Balloons - Observation
Balloons - Observation - Balloons. Observation balloon about to ascend
Balloons - Observation
Balloons - Flights - Observation balloon makes demonstration flight fo...
Date Taken: 3/18/1919 Photographer: Underwood & Underwood Balloons - Flights
Balloons - Flights - Observation Balloon of 31st Balloon Co., West Poi...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Flights
Balloons - Flights - Observation Balloon of 31st Balloon Co., West Poi...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Flights
Balloons - Observation - Hauling observation balloon into position
Balloons - Observation
Balloons - Flights - Balloons. Releasing observation balloon
Balloons - Flights
Balloons - Flights - Observation Balloon at a Camp in the United State...
Photographer: M.E. Tamme Balloons - Flights
Balloons - Observation - Balloon at Camp Eustis, Virginia
Balloons - Observation
Balloons - Flights - Balloons. Observation balloon rising
Balloons - Flights
Ceremonies - Liberations - Naturalization Ceremonies - Naturalization ...
Date Taken: 6/12/1918 Photographer: Intelligence Office Ceremonies - Liberations - Naturalization Ceremonies
Airplanes - Types - Airplane Types. LOWER: Pomilio E - observation - I...
Photographer: Signal Corps - U.S.A. Airplanes - Types
Western front. Men with breast plates on observation post in an advanc...
German Military Activities and Personnel
Balloons - Observation - Balloons. Observation balloon about to ascend
Balloons - Observation
Balloons - Flights - Observation Balloon, from underneath
Photographer: C.P.I. Balloons - Flights
Balloons - Flights - Observation balloon rising
Balloons - Flights
Balloons - Observation - Balloons. Releasing observation balloon
Balloons - Observation
Balloons - Observation - Observation Balloon at a camp in the United S...
Photographer: M.E. Tamme Balloons - Observation
Balloons - Observation - Rear view of observation balloon
Photographer: International Film Service Balloons - Observation
Balloons - Hangars and Beds - Hauling an observation balloon from hang...
Balloons - Hangars and Beds
Balloons - Observation - Taking an observation balloon from hangars
Balloons - Observation
Balloons - Flights - Observation Balloon at a Camp in the United State...
Photographer: M.E. Tamme Balloons - Flights
Balloons - Equipment - Hauling an observation balloon into position
Balloons - Equipment
Balloons - Observation - Balloons. Releasing observation balloon
Balloons - Observation
Balloons - Flights - Hauling an observation balloon into position
Balloons - Flights
Balloons - In the Theatre of Operations - Types of ordnance. In and be...
Photographer: Eng. Div. Ord. Dept. Balloons - In the Theatre of Operations
Balloons - Equipment - Omaha Balloon School, Omaha, Nebraska. Trucks f...
Photographer: Underwood & Underwood Balloons - Equipment
Balloons - Flights - Balloons. Observation balloon ascending
Balloons - Flights
Balloons - In the Theatre of Operations - Battle of Menin Road. A Brit...
Date Taken: 6/23/1918 Photographer: International Film Service Balloons - In the Theatre of Operations
Balloons - Flights - Observation Balloon of 31st Balloon Co., West Poi...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Flights
Balloons - Flights with Ships in View - The observation balloon on U.S...
Photographer: C.P.I. Balloons - Flights with Ships in View
Balloons - Flights - Descending from a Naval observation balloon in ro...
Photographer: Press Illus. Ser. Balloons - Flights
Balloons - Observation - Balloons. Inflating Observation Balloon
Balloons - Observation
Balloons - Observation - Scene at Balloon School showing hangar and ob...
Photographer: International Film Service Balloons - Observation
Balloons - Observation - Balloons. Bringing an observation balloon fro...
Balloons - Observation
Ceremonies - Salutes and Parades - New York - Great parade of 27th Div...
Date Taken: 3/25/1919 Photographer: Underwood & Underwood Ceremonies - Salutes and Parades - New York
Balloons - Flights - British Balloon observer ready to make an ascensi...
Photographer: Kadel & Herbert Balloons - Flights
Balloons - Schools - Balloon School at Lee Hall, VA. View of observati...
Date Taken: 08/0/1918 Photographer: International Film Service Balloons - Schools
Airplanes - Historical - Flying above the clouds. Taken from an observ...
Photographer: Underwood & Underwood Airplanes - Historical
Airplanes - Types - Airplane Types. LOWER: S. A. M. L. (Societa Anonim...
Photographer: Signal Corps - U.S.A. Airplanes - Types
Camouflage - Buildings - Camouflaged gun positions. American gun posit...
Photographer: Junius Wood Camouflage - Buildings
Behind the Western front. Long range cannon camouflaged against observ...
German Military Activities and Personnel
Airplanes - Types - Observation Planes
Date Taken: 1918 Airplanes - Types
Western front. The arrival of a messenger dog with boxes of carrier pi...
German Military Activities and Personnel
Balloons - Observation - Types of American Dirigibles and balloons in ...
Photographer: International Film Service Balloons - Observation
Balloons - Observation - Observation Balloon of 31st. Balloon Co., Wes...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Observation
Balloons - Observation - Observation Balloon of 31st. Balloon Co., Wes...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Observation
Balloons - Hangars and Beds - Observation Balloons of 31st. Balloon Co...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Hangars and Beds
Balloons - In the Theatre of Operations - How an observation balloon c...
Photographer: Underwood & Underwood Balloons - In the Theatre of Operations
Balloons - In the Theatre of Operations - Italian Observation Balloons...
Photographer: Helen W.J. Kirtland Balloons - In the Theatre of Operations
Balloons - In the Theatre of Operations - Making fast a British Observ...
Photographer: Kadel & Herbert Balloons - In the Theatre of Operations
Balloons - In the Theatre of Operations - Observation balloon of the G...
Photographer: C.P.I., Washington, D.C. Balloons - In the Theatre of Operations
Balloons - Schools - Balloon School at Lee Hall, VA. View of observati...
Date Taken: 08/0/1918 Photographer: International Film Service Balloons - Schools
Balloons - Observation - Balloons. Releasing an observation balloon
Date Taken: 08/0/1918 Photographer: International Film Service Balloons - Observation
Balloons - Flights with Ships in View - Observation balloonon Battlesh...
Photographer: Underwood & Underwood Balloons - Flights with Ships in View
Balloons - Observation - Balloons. Releasing an observation balloon
Balloons - Observation
Balloons - Observation - Lee Hall, VA., Balloon School. Unusual view o...
Photographer: International Film Service Balloons - Observation
Neutral military attaches in a visit to a combat squadron on the Piave...
German Military Activities and Personnel
Balloons - Observation - American Dirigible. New type of dirigible for...
Date Taken: 10/0/1918 Photographer: International Film Service Balloons - Observation
Balloons - Miscellaneous - An observation balloon, Polo Grounds, Washi...
Photographer: C.P.I. Balloons - Miscellaneous
Balloons - Observation - Hauling an observation balloon into position
Balloons - Observation
Balloons - Observation - Inflation of observation balloon
Balloons - Observation
Balloons - Observation - Balloons. Observation balloon about to ascend
Balloons - Observation
Balloons - Observation - Balloons. Observation balloon watching over D...
Balloons - Observation
Balloons - Flights - Observation Balloon of 31st Balloon Co., West Poi...
Photographer: Mr. M.E. Tamme, Louisville Balloons - Flights
Balloons - Flights with Ships in View - U.S. Battleship and Observatio...
Photographer: Underwood & Underwood Balloons - Flights with Ships in View
Balloons - Flights with Ships in View - Observation balloon at Van Cou...
Photographer: Western Newspaper Union Balloons - Flights with Ships in View
Balloons - Flights - Pulling an observation balloon into position
Balloons - Flights
Balloons - Observation - Balloons. Releasing observation balloon
Balloons - Observation
Artillery observation post on the Western front. March 1917
German Military Activities and Personnel
Airplanes - Instruments - Testing Aeroplane Compass Naval Observation ...
Photographer: C.P.I. Airplanes - Instruments
Ceremonies - Demobilization - Great Parade of the 27th Division. Like ...
Photographer: Underwood & Underwood Ceremonies - Demobilization