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  1. A Landing Craft Air Cushion Comes Ashore At US Marine Corps Base Camp Pendleton, CA
  2. President John F. Kennedy
  3. Conceptual image of human tooth
  4. AV-8B Harriers line the flight deck of amphibious assault ship USS Tarawa
  5. Vintage portrait of President Ulysses S. Grant
  6. Ticonderoga-class guided-missile cruiser USS Chancellorsville
  7. Vintage Travel Poster For Rainier National Park, 1920
  8. A Fully Armed MQ-9 Reaper Taxis Down An Afghanistan Runway
  9. The Nimitz-Class Aircraft Carrier USS George Washington
  10. A U.S. military truck with wrecker mount towing a jeep, 1942
  11. Member of the US Navy parachute demonstration team
  12. Sailors man the rails as the ship pulls into Naval Station Norfolk
  13. Vintage Travel Poster For Flying Northwest Airlines To New York, Of Statue Of Liberty
  14. Vintage Carl Hagenbeck's Tierpark Circus Poster Of A Giraffe, 1916
  15. Stars and Stripes flying boldly, seen from the crow's nest aboard USS Donald Cook
  16. Firefighters extinguish a simulated cargo fire at RAF Mildenhall, England
  17. A woman assembles part of the cowling of a B-25 bomber motor, circa 1942
  18. Pallets Of Cargo Inside Of A C-17 Globemaster III
  19. A Japanese light tank sits atop the medium tank Killer
  20. Vintage Circus Poster Of Five Ringling Brother's Bust Portraits, 1903
  21. US Air Force Master Sergeant Guides A CH-47 Chinook To A Drop Site
  22. The Snake Wagon, With A Snake Performer At A Circus, 1874
  23. Conceptual image of the coronavirus
  24. Airman floats through the sky carrying the American flag
  25. A KC-135 Stratotanker refuels an F-15E Strike Eagle
  26. Different types of acne, non-inflammatory and inflammatory
  27. An F-15E Strike Eagle breaks away from a KC-135 Stratotanker after refueling
  28. A F-22 Raptor Flies In Formation With The Royal Air Force Aerobatic Team, The Red Arrows
  29. A US Navy HH-60H Seahawk Helicopter Dispenses Flares And Chaff
  30. US Navy Landing Craft Air Cushion Enters The Well Deck Of The USS Green Bay
  31. Comparison Of A Normal Eye And An Eye With Hyperopia
  32. A B-2 Spirit Flies Into Position During A Refueling Mission
  33. US Army Combat Infantrymen Provide Security During A Patrol
  34. A Standard Missile Three is launched from the Mark 41 Vertical Launch System
  35. A CH-53E Super Stallion Conducts Flight Operations
  36. Aviation Ordnancemen Fold The American Flag Aboard USS Theodore Roosevelt
  37. Vintage Circus Poster Of Portraits Of Carl Hagenbeck And BE Wallace
  38. Amphibious transport dock ship USS San Antonio transiting the Gulf of Aden
  39. Ulysses S. Grant August 6, 1885
  40. Women workers building assault boats for US Marine Corps
  41. USS Nimitz Arrives At Joint Base Pearl Harbor Hickam
  42. The Wall Of Fire Is Set Off Behind The U.S. Navy Blue Angel Demonstration Team
  43. Vintage Circus Poster Of Louis Cyr With Arms Crossed, 1898
  44. The Guided-Missile Frigate USS Underwood
  45. Vintage 1936 Travel Poster Promoting Lancaster County, Pennsylvania, Of An Amish Family
  46. Vintage Travel Poster For Alaska Northern Pacific Of Umiaks Carrying Native Alaskans
  47. Minute Men paint scheme on an F-16 Fighting Falcon over Rocky Mountains
  48. CH-53E Super Stallion helicopters prepare to take off from USS Iwo Jima