The US Navy has finally acknowledged footage purported to show UFOs hurtling through the air.
美国海军终于承认此前声称有不明飞行物在空中飞行的视频是真实拍摄的。
hurtling['hɝtl]：adj.飞奔的，疾驰的
The objects seen in three clips of declassified military footage are "unidentified aerial phenomena," Navy spokesperson Joe Gradisher confirmed to CNN.
The term UFOs, which stands for "unidentified flying objects," is now used less frequently by officials, who have instead adopted the term "unidentified aerial phenomena," or UAP.
Gradisher also said the videos were never cleared for public release. "The Navy has not released the videos to the general public," he said.
格拉迪舍还表示，这些视频从未获准公开。“海军还没有向公众公开这些视频，”他说。
The clips, released between December 2017 and March 2018 by To The Stars Academy of Arts & Sciences, appear to show fast-moving, oblong objects captured by advanced infrared sensors.
In footage from 2004, sensors lock on a target as it flies before it accelerates out of the left side of the frame, too quickly for the sensors to relocate it.
Two of the videos, both from 2015, contain audio from US fighter pilots attempting to make sense of what they're seeing.
两个2015年拍摄的视频中包含了美国战斗机飞行员试图理解他们所见到的不明物体的音频。
"It's a f****g drone, bro," a pilot says to his colleague in the first clip.
在第一段视频中，一名飞行员对同事说：“兄弟，这是架该死的无人机。”
"My gosh! They're all going against the wind."
“我的天哪！他们都在逆风而行。”
"Look at that thing, dude!"
“快看那个，哥们儿！”
一起来看看视频中的不明飞行物：
One of the videos was shared by The New York Times in December 2017, when one commander who saw the object on a training mission told the outlet "it accelerated like nothing I've ever seen."
The Times spoke with more pilots, who spotted objects in 2014 and 2015, this year. One of the pilots told the outlet: "These things would be out there all day."
They said they were convinced the objects were not part of a secret military project like a classified drone program.
他们说，他们确信这些物体不是机密无人机项目之类的秘密军事项目。
"Navy pilots reported to their superiors that the objects had no visible engine or infrared exhaust plumes, but that they could reach 30,000 feet and hypersonic speeds," the Times report said.
Hypersonic speed is more than about 3,800 mph — five times the speed of sound.
高超音速是音速的5倍，速度超过每小时3800英里（约合6115公里）。
Gradisher said the Navy's transparency about unidentified aerial phenomena, or UAP, is largely done to encourage trainees to report "incursions" they spot in the airfield, which threaten pilots' safety.
"This is all about frequent incursions into our training ranges by UAPs," he said. "Those incursions present a safety hazard to the safe flight of our aviators and the security of our operations."
