f-16 fighter jet performs aerial maneuvers during a flight under a clear sky. - g力 個影片檔及 b 捲影像00:24飛機
scientist john paul stapp rides in a supersonic rocket for a g-force experiment. - g力 個影片檔及 b 捲影像00:11
aerial shots of dogfights in the skies / shot of planes diving / close up shot of a pilot looking outside / shots of scientists with clipboards... - g力 個影片檔及 b 捲影像01:33第二次世界大戰
in this handout footage from the u.s. department of defense, cockpit footage of a u.s. air force flight instructor taking off into a zoom climb on... - g力 個影片檔及 b 捲影像00:09美國
modern stealth fighter jet soaring through the sky with visible afterburner flame, demonstrating speed and advanced aerial maneuverability. - g力 個影片檔及 b 捲影像00:11飛機
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:09美國, 太空人
close up shot of measurements on paper as long connected lines much like a heartbeat monitor / medium shot of engineer discussing project with pilot... - g力 個影片檔及 b 捲影像01:01
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:06
test pilots testing parachutes, jet packs, rocket launches, training on trampoline, performing various altitude, pressurization, depressurization,... - g力 個影片檔及 b 捲影像01:11體檢, 運動訓練
in this handout footage from the u.s. department of defense, u.s. air force weapons school f-22 raptor takes off at dusk from nellis air force base... - g力 個影片檔及 b 捲影像00:10
in this handout footage from the u.s. department of defense, u.s. air force f-16 fighting falcon taking off from nellis afb at dusk with reheat on... - g力 個影片檔及 b 捲影像00:09
time - measurement and meaning - part 36 of 44. how does time move...what is "now"...what is reverse, or "backwards" time? this superb, up-to-date account of modern theoretical and practical physical science examines concepts of time dilation, the entropy - g力 個影片檔及 b 捲影像00:32小行星, 時鐘
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:04太空人
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:06
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:08太空人
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:07
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:06太空人
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:03錄影像
in this handout footage provided by u.s. department of defense, nasa astronauts train in the department of defense's only human-rated centrifuge at... - g力 個影片檔及 b 捲影像00:04錄影像
/ soviet astronaut in centrifuge during training for voskhod 2 / zero gravity flight. - g力 個影片檔及 b 捲影像00:20
single f-35 fighter jet flying swiftly across pale blue sky in military air power display - g力 個影片檔及 b 捲影像00:07
single f-35 fighter jet flying swiftly across pale blue sky in military air power display - g力 個影片檔及 b 捲影像00:05
u.s. air force f-35 lightning ii fighter jet ground crew pre-flight inspection on airport tarmac - g力 個影片檔及 b 捲影像00:06
u.s. air force f-35 lightning ii fighter jet ground crew pre-flight inspection on airport tarmac - g力 個影片檔及 b 捲影像00:09軍事
