ON LANDING. OGEE Wing Plan Form on F5D-1 Airplane FLight Tests. 'Flo...
ON LANDING. OGEE Wing Plan Form on F5D-1 Airplane FLight Tests. 'Flow Visualization Photographs'.
DURING APPROACH. OGEE Wing Planform on modified F5D-1 SkylancerAirpla...
DURING APPROACH. OGEE Wing Planform on modified F5D-1 SkylancerAirplane Flight Tests. 'Flow Visualization Photographs'. In landing approach trials at Moffett Field, vapor trails are generated by low pressure... More
AH-1G Cobra helicopter model tail rotor flow visualization testing in ...
AH-1G Cobra helicopter model tail rotor flow visualization testing in 7X10ft#2 W.T. (Army tunnel - no test number)
AH-1G Cobra helicopter model tail rotor flow visualization testing in ...
AH-1G Cobra helicopter model tail rotor flow visualization testing in 7X10ft#2 W.T. (Army tunnel - no test number)
FLOW VISUALIZATION RIG AND LIGHT SOURCE
The original finding aid described this as: Capture Date: 11/18/1974 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 5 Location Room: CE-28 Photographs Relating to Agency Activitie... More
FLOW VISUALIZATION TEST SECTION DETACHED FROM REST OF TEST FACILITY
The original finding aid described this as: Capture Date: 11/27/1974 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
LIQUID NITROGEN FLOW VISUALIZATION OF GENERAL ELECTRIC GE SCOOP INLET ...
The original finding aid described this as: Capture Date: 8/22/1974 Photographer: PAUL RIEDEL Keywords: c1974_02700s 1974_02740.jpg Larsen Scan Location Building No: 39 Photographs Relating to Agency Activi... More
FLOW VISUALIZATION RIG AND LIGHT SOURCE
The original finding aid described this as: Capture Date: 11/18/1974 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 5 Location Room: CE-28 Photographs Relating to Agency Activitie... More
FLOW VISUALIZATION TEST SECTION DETACHED FROM REST OF TEST FACILITY
The original finding aid described this as: Capture Date: 11/27/1974 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION RIG AND LIGHT SOURCE
The original finding aid described this as: Capture Date: 11/18/1974 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 5 Location Room: CE-28 Photographs Relating to Agency Activitie... More
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
TEST SECTION OF THE FLOW VISUALIZATION RIG
The original finding aid described this as: Capture Date: 3/12/1975 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 38 Location Room: SW-2 Photographs Relating to Agency Activities... More
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION RIG, NASA Technology Images
The original finding aid described this as: Capture Date: 1/14/1975 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 38 Location Room: SW-2 Photographs Relating to Agency Activities... More
FLOW VISUALIZATION RIG, NASA Technology Images
The original finding aid described this as: Capture Date: 1/14/1975 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 38 Location Room: SW-2 Photographs Relating to Agency Activities... More
FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 2/4/1975 Photographer: Unknown Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
LIQUID FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 7/12/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
COLOR IMAGE OF THE FLOW VISUALIZATION RIG - BLACK & WHITE IMAGE OF DIF...
The original finding aid described this as: Capture Date: 1/6/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
COLOR IMAGE OF THE FLOW VISUALIZATION RIG - BLACK & WHITE IMAGE OF DIF...
The original finding aid described this as: Capture Date: 1/6/1976 Photographer: MARTIN BROWN Keywords: c1976_00100s 1976_00134.jpg Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
LIQUID FLOW VISUALIZATION, NASA Technology Images
The original finding aid described this as: Capture Date: 7/12/1976 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
MIXER NOZZLE MODEL GLYCERENE FLOW VISUALIZATION RESULTS
The original finding aid described this as: Capture Date: 10/26/1978 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
MIXER NOZZLE MODEL GLYCERENE FLOW VISUALIZATION RESULTS
The original finding aid described this as: Capture Date: 10/26/1978 Photographer: MARTIN BROWN Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET ON THE 10X10 FOOT WIND TUNNEL VERTI...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION RIG AND SUPPLY
The original finding aid described this as: Capture Date: 10/1/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET ON THE 10X10 FOOT WIND TUNNEL VERTI...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION RIG AND SUPPLY
The original finding aid described this as: Capture Date: 10/1/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET ON THE 10X10 FOOT WIND TUNNEL VERTI...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET OF THE 10X10 FOOT WIND TUNNEL TEST ...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET ON THE 10X10 FOOT WIND TUNNEL VERTI...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET ON THE 10X10 FOOT WIND TUNNEL VERTI...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF VOUGHT INLET ON THE 10X10 FOOT WIND TUNNEL VERTI...
The original finding aid described this as: Capture Date: 10/24/1980 Photographer: DONALD HUEBLER Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
FLOW VISUALIZATION OF FAN ON VERTICAL THRUST STAND
The original finding aid described this as: Capture Date: 11/21/1980 Photographer: DANIEL LAITY Keywords: Larsen Scan Location Building No: 86 Photographs Relating to Agency Activities, Facilities and Personnel
Brimmer All Body Hypersonic Aircraft Model 3.5ft W.T. Test-260 Flow...
Brimmer All Body Hypersonic Aircraft Model 3.5ft W.T. Test-260 Flow Visualization
James Cole, left, and Hank Dardy conduct an experiment in the Schlieri...
The original finding aid described this photograph as: Base: Washington State: District Of Columbia (DC) Country: United States Of America (USA) Scene Camera Operator: Michael Savell Release Status: Releas... More
Pratt & Whitney Advanced Ducted Propulsor (ADP) Engine Test-590 in NAS...
Pratt & Whitney Advanced Ducted Propulsor (ADP) Engine Test-590 in NASA Ames 40x80ft Subsonic Wind Tunnel. The Pratt & Whitney advanced ducted prop (ADP) demonstrator undergoing acoustic and fan performance tes... More
Pratt & Whitney Advanced Ducted Propulsor (ADP) Engine Test-590 in NAS...
Pratt & Whitney Advanced Ducted Propulsor (ADP) Engine Test-590 in NASA Ames 40x80ft Subsonic Wind Tunnel. The Pratt & Whitney advanced ducted prop (ADP) demonstrator undergoing acoustic and fan performance tes... More
XV-15 Rotor Test Apparatus (RTA) flow visualization Hover test-80-0021...
XV-15 Rotor Test Apparatus (RTA) flow visualization Hover test-80-0021 in 80x120ft w.t. (rotor tip)
XV-15 Rotor Test Apparatus (RTA) flow visualization Hover test-80-0021...
XV-15 Rotor Test Apparatus (RTA) flow visualization Hover test-80-0021 in 80x120ft w.t.
Scientists use Immersive Technology and stereoscopic displays to inves...
The original finding aid described this photograph as: Base: Aberdeen Proving Grounds State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Douglas Lafon Release Status: Relea... More
Army researchers use the latest generation computing hardware and grap...
The original finding aid described this photograph as: Base: Aberdeen Proving Grounds State: Maryland (MD) Country: United States Of America (USA) Scene Camera Operator: Douglas Lafon Release Status: Relea... More
Three dimensional Visualization of Jupiter Equatorial Region
Three dimensional Visualization of Jupiter Equatorial Region NASA/JPL-Caltech
Three dimensional Visualization of Jupiter Equatorial Region
Three dimensional Visualization of Jupiter Equatorial Region NASA/JPL-Caltech
Three dimensional Visualization of Jupiter Equatorial Region
Three dimensional Visualization of Jupiter Equatorial Region NASA/JPL-Caltech
Three dimensional Visualization of Jupiter Equatorial Region
Three dimensional Visualization of Jupiter Equatorial Region NASA/JPL-Caltech
Three dimensional Visualization of Jupiter Equatorial Region
Three dimensional Visualization of Jupiter Equatorial Region NASA/JPL-Caltech
Three dimensional Visualization of Jupiter Equatorial Region
Three dimensional Visualization of Jupiter Equatorial Region NASA/JPL-Caltech
IMMERSADESK II 2 IN GRAPHICS VISUALIZATION LAB GRC-1998-C-01349
IMMERSADESK II 2 IN GRAPHICS VISUALIZATION LAB
STALL FLUTTER TEST - FLOW VISUALIZATION GRC-2000-C-00990
STALL FLUTTER TEST - FLOW VISUALIZATION Public domain photograph related to NASA research activity, space exploration, free to use, no copyright restrictions image - Picryl description
STALL FLUTTER TEST - FLOW VISUALIZATION GRC-2000-C-00441
STALL FLUTTER TEST - FLOW VISUALIZATION Public domain photograph related to NASA research activity, space exploration, free to use, no copyright restrictions image - Picryl description
STALL FLUTTER TEST - FLOW VISUALIZATION GRC-2000-C-01288
STALL FLUTTER TEST - FLOW VISUALIZATION Public domain photograph related to NASA research activity, space exploration, free to use, no copyright restrictions image - Picryl description
Visualization Center Dedicated. NASA public domain image colelction.
The dedication ceremony of the University of Southern Mississippi Center of Higher Learning (CHL) High-Performance Visualization Center at SSC was held Oct. 17. The center's RAVE II 3-D visualization system, av... More
Visualization of Fires in Greece as seen by the Atmospheric Infrared S...
A series of fires across Greece in August of 2007 burned 469,000 acres, visualized here by the Atmospheric Infrared Sounder AIRS on NASA Aqua satellite. NASA/JPL/Scientific Visualization Studio
Trench Visualization - NASA Mars images
Trench Visualization NASA/Ames Public domain photograph related to NASA research activity, space exploration, free to use, no copyright restrictions image - Picryl description
Carbon Monoxide from California Wildfire - a Visualization Created Us...
Carbon monoxide from California wildfire, a visualization created using data from the Atmospheric Infrared Sounder AIRS on NASA Aqua satellite, June-July, 2008. NASA/JPL/Earth Surface Science Group
Stein_Sun: Visualization of the complex magnetic field produced as mag...
Stein_Sun: Visualization of the complex magnetic field produced as magnetic flux rises toward the Sun¹s surface from the deep convection zone. The image shows a snapshot of how the magnetic field has evolved t... More
Snapshot from a simulation run on the Pleiades supercomputer. It depic...
Snapshot from a simulation run on the Pleiades supercomputer. It depicts a fluctuating pressure field on aircraft nose landing gear and fuselage surfaces. The simulation helped scientists better understand the ... More
Visualization of Buried Marte Vallis Channels
This illustration schematically shows where the Shallow Radar instrument on NASA Mars Reconnaissance Orbiter detected flood channels that had been buried by lava flows in the Elysium Planitia region of Mars. NA... More
A close up of a camera lens on a car. Metal rings aperture, science te...
Stock photo: A close up of a speaker / A close up of a camera lens on a car.
A bunch of metal balls and a bunch of silver balls. Fractal render 3d,...
A digital painting of a blue and silver christmas tree / A bunch of metal balls and a bunch of silver balls / Public domain stock illustration.
A pair of scissors that are in the dark. Particle flow force, backgrou...
A blue swirl of light / A pair of scissors that are in the dark / Public domain stock illustration.
A pair of blue shoes sitting on top of a reflective surface. Shoes sne...
A pair of blue and white tennis shoes / A pair of blue shoes sitting on top of a reflective surface / Public domain stock illustration.
A close up of a motor on a circuit board. Drive technology transmissio...
Stock photo: A 3d model of a motor / A close up of a motor on a circuit board.
Cube architecture blank building. A red dice sitting on top of a woode...
Architecture stock photograph: A room with a red dice on the floor / A red dice sitting on top of a wooden floor.
Sculpture design architecture building. A sculpture of a ring on top o...
Architecture stock photograph: The ring of life sculpture / A sculpture of a ring on top of a block.
A close up of a tire on a street. Turbine motor wheels, sports.
Stock photo: A car wheel with a car charging cable / A close up of a tire on a street.
A couple of chess pieces sitting on top of a checkered floor. Chess ut...
A black and white chess piece on a checkered floor / A couple of chess pieces sitting on top of a checkered floor / Public domain stock photography.