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The Sutro Tower in San Francisco, a local landmark and a long-standing feature of the city's skyline.
The top of the communications mast of HMAS Warramunga, a frigate in the Royal Australian Navy.  She is docked at Garden Island, Sydney Harbour.   This image was taken from Woolloomooloo Bay on a windy and cloudy afternoon on 20 May 2023.
The silhouette of a radar site in the morning sky.
A communications tower full of a variety of antennas stands out against a deep, blue, clear sky background.
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Tall Security Camera Tower Watching for Immigrants Crossing at the Tijuana - San Diego / Mexico - United States Border in Tijuana Mexico
Military radar on the roof of a military vehicle. Military locator on a bright sky background
Weather Station, Electric Tower
military radar air on a warship
Mount Majura Trigonometrical Station - Canberra ACT
Security with barbed wire fence. 5G telecommunications tower security.
Colorful water tower against moody skies at the Amache National Historic Site, Colorado. In the town of Granada CO, ten thousand Japanese Americans passed through the internment camp during World War II.
Fence-enclosed Communication Equipment On Mountain Blue Sky And Green Trees
5G Communications Tower
Trains - Dozier Crossing Signal - 2004. Scanned from Kodachrome 64 slide.
Part of a large exhaust outlet.
Port Augusta, South Australia - May 17 2019:Sundrop Farms,high tech greenhouse facility using technology solutions to grow crops with less reliance on finite natural resources than conventional greenhouse production.
The northen lights appears strongly over the town Husavik in Iceland
Communications and radar tower of HMAS Adelaide docked at Garden Island in Sydney Harbour.   She is one of two Canberra Class Amphibious Assault Ships in the Royal Australian Navy.  This image was taken from Mrs Macquarie's Chair on a sunny afternoon on 14 January 2023.
Beja, Portugal: Precision Approach Radar (PAR, FIAR), special radar device that can be used to precisely monitor an aircraft's landing approach in elevation and azimuth, the abbreviation PAR also stands for the instrument approach procedure guided with the help of this type of radar - Beja Airport / BA11.
An old Soviet border tower in Neeme against a stormy sky. High quality photo
Circular antenna arrays join together.  Composite image, monochrome.
military radar tower against the blue sky, terrestrial building
Multi function data signal tower
Steel tower with a high-voltage power line, against a blue sky.
Sullivans Island, South Carolina, USA - March 26, 2012: Top of the Sullivans Island Lighthouse operated by the U.S. Coast Guard near the entrance to Charleston Harbor.
military tower for visual observation
Base station tower against a moody dawn sky.
Mast warship. The lightning arresters and antenna shortwave and longwave data. Marine service.
Aerial view of a tall radio/mobile phone tower in overcast evening skies. Symmetrical composite.
Free Images: "bestof:Naval Weapons Center, China Lake, California. Front view of a Flasher Tower, Antenna. Photographed by Joe Dunn, January 5, 1976. Official U.S. Navy Photograph,"
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Megachile_poeyi,_female,_side_2012-06-26-16.54.37_ZS_PMax.jpg
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Manzanar_Relocation_Center,_Manzanar,_California._A_view_of_the_"hobby_gardens"_where,_in_plots_10_._._._-_NARA_-_537973.jpg
Manzanar_Relocation_Center,_Manzanar,_California._View_of_one_of_the_lath_house_where_seedlings_are_._._._-_NARA_-_538025.jpg
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Manzanar_Relocation_Center,_Manzanar,_California._A_view_of_the_Manzanar_Relocation_three_months_af_._._._-_NARA_-_538097.jpg
Manzanar_Relocation_Center,_Manzanar,_California._View_of_barracks_at_this_War_Relocation_Authority_._._._-_NARA_-_538129.jpg
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Manzanar_Relocation_Center,_Manzanar,_California._A_view_of_surrounding_country_flanked_by_beautifu_._._._-_NARA_-_538135.jpg
Manzanar_Relocation_Center,_Manzanar,_California._View_of_side_of_barrack_building_at_this_War_Relo_._._._-_NARA_-_538155.jpg
Manzanar_Relocation_Center,_Manzanar,_California._View_of_the_Manzanar_Relocation_Center_showing_th_._._._-_NARA_-_538161.jpg
Manzanar_Relocation_Center,_Manzanar,_California._A_view_of_the_Manzanar_Relocation_center_showing_._._._-_NARA_-_538162.jpg
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San_Bruno,_California._View_of_the_Tanforan_Assembly_center,_showing_a_type_of_barrack_peculiar_to_._._._-_NARA_-_537943.jpg
Mountain_View,_California._Grandmother_and_youngest_of_13_grandchildren_photographed_during_a_pre-e_._._._-_NARA_-_536424.jpg
San_Bruno,_California._Another_view_of_barracks_at_the_Tanforan_Assembly_center,_after_approximatel_._._._-_NARA_-_537920.jpg
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one-world-trade-center-1wtc-new-york-768795.jpg
Flickr_-_Official_U.S._Navy_Imagery_-_Fort_Belvoir_Community_Hospital.jpg
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2004_Vanderbilt-Navy_Game_TE.jpg
Manzanar_Relocation_Center,_Manzanar,_California._The_staff_of_the_Japanese_language_section_of_the_._._._-_NARA_-_538166.jpg
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Flickr_-_Official_U.S._Navy_Imagery_-_An_electronics_engineer_uses_visible_lasers_to_align_various_optical_components..jpg
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Byron,_California._Farm_families_of_Japanese_ancestry_boarding_buses_for_Turlock_Assembly_Center_65_._._._-_NARA_-_537457.jpg
Byron,_California._Farm_families_of_Japanese_ancestry_boarding_buses_for_Turlock_Assembly_center_65_._._._-_NARA_-_537458.jpg
Oakland,_California._View_from_window_of_the_Wartime_Civil_Control_Administration_station._Moving_._._._-_NARA_-_537700.jpg
September_14_2001.jpg
Uss-akron-manhattan.jpg
San_Bruno,_California._Near_view_of_horse-stall,_left_from_the_days_when_what_is_now_Tanforan_Assem_._._._-_NARA_-_537930.jpg
San_Bruno,_California._A_near-_view_of_a_horse_stall_left_from_days_when_what_is_now_Tanforan_Assem_._._._-_NARA_-_537931.jpg
USS-Constellation-enroute-to-the-Arabian-Gulf.jpg
Hiryu burning.jpg
Hayward,_California._Evacuees_of_Japanese_ancestry_about_ready_to_board_the_bus_to_an_Assembly_cent_._._._-_NARA_-_537504.jpg
San_Bruno,_California._Another_view_of_the_barracks,_living_quarters_for_families_evacuated_from_Sa_._._._-_NARA_-_537936.jpg
F14-Tomcat-assigned-to-Fighter-Squadron.jpg
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US_Navy_110826-N-ZC343-381_The_Amphibious_assault_ship_USS_Bonhomme_Richard_(LHD_6)_is_moored_at_Naval_Base_San_Diego_before_sunrise.jpg
Centris_fasciata,_male,_rt._side_2012-06-27-16.38.08_ZS_PMax.jpg
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An-FA18-Hornet-hot-humid-air-from-jet-exhaust.jpg
USS_Essex_(CV-9)_-_January_1960.jpg
Navy-Radome.jpg
Louis-Emile_Durandelle,_The_Eiffel_Tower_-_State_of_the_Construction,_1888.jpg
Wounded Warriors play wheelchair basketball. (8446975315).jpg
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Eucera_rosae,_F,_Side,_MD,_St_Mary's_County_2014-02-11-17.48.24_ZS_PMax.jpg
Eucera_rosae,_F,_Face_ammonia,_MD,_St_Mary's_County_2014-02-21-16.58.25_ZS_PMax.jpg
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US_Navy_030328-N-3783H-152_Members_of_Commander_Task_Unit_(CTU-55.4.3)_watch_the_sunrise_at_the_port_of_Umm_Qasr,_Iraq.jpg
US_Navy_060126-N-3314H-010_The_amphibious_assault_ship_USS_Peleliu_(LHA_5)_enters_San_Diego_Harbor_at_sunrise,_accompanied_by_harbor_police.jpg
Panorama_of_San_Francisco_by_Eadweard_Muybridge,_1878.jpg
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US_Navy_070604-N-3642E-026_Secretary_of_the_Navy_(SECNAV)_The_Honorable_Dr._Donald_C._Winter_boards_a_Gulfstream_V_Business_Jets_from_Fleet_Logistics_Support_Squadron_(VR)_1_for_an_official_trip_to_the_Hampton_Roads_area.jpg
US_Navy_040527-N-8859S-007_Marines_and_Sailors_salute_the_Ensign_during_morning_colors_as_the_USS_Belleau_Wood_(LHA_3)_prepares_to_depart_for_a_six-month_deployment.jpg
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TDN-1 drone on first (piloted) flight near Traverse City, Michigan (USA), on 19 May 1943.jpg
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SS_Kroonland_before_World_War_I.jpg
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