Tic-tac like UFO/drone?

I spent a lot of time outside this summer (2020) and one day was looking up in the sky and caught something rapidly circling above at an extreme altitude. At first I thought it was a circling bird, but then realized the “wings” never flapped, the altitude was too high, and it was moving at speeds I’ve never seen for a plane that high up... so I quickly started recording. IMO, this altitude was 20-30k feet (I’m not that good a judging that) and no commercial plane could turn that fast while noticeably speeding up and slowing down. At this point my assumption is government drone, maybe classified tech but it had no noticeable body to it. It was a cylinder or “tic-tac” shape and bright white with little to no hum. In the first video you’ll see the cylinder circling like a bird while kind of changing speeds randomly. Now I’m not sure if it saw me but I stood in my drive way to get a better video because of the tree in the first one, and it immediately stopped circling. It slowed down significantly, almost to a full stop, while turning straight south.Then it sped up so unrealistically fast that you can see me unfortunately lose it in the second one. It also got smaller so likely began going upwards. Between the hum, direction is faces while traveling, and as well a recent video I saw of a ufo like this, I’m stuck between UFO and government drone, anyone want to help? (President was coming to town that day or the next) (I also live near a busy airport and see aircraft in the air all the time... this didn’t belong)

Saw a cylindrical type with 10 are so lights in a row fly in a straight line from NW towards SE

Saw a vehicle of some sort flying from the NW towards the SE, it was a clear morning towards the north and broken cloud cover to the south (it rained Tuesday night), it looked Cylindrical with lights on the bottom, it flew in a straight line and faster than a plane. But it did not just whisk by it was a steady straight line.

Cylinder object on the highway

I was driving home with my son from Austin to San Antonio. While driving in New Braunfels traveling south past the Bucee's is when I saw it. As I came to the top of the hill on the highway, I saw an object hovering silver in color, and cylinder in shape. At first. I thought maybe it was a bird, but it just hovered. As I got closer I thought maybe it's a helicopter or some other plane. However, this object was completely motionless. I grabbed my son's arm and pointed up to where it was, and it was already gone. I have never seen anything like this in my life, and honestly, I wish I never did. I will now spend the rest of my life knowing that I saw a UFO. I'm a military veteran, who knows the difference between a plane, a bird, etc. This had no heat signature, or plume, it was as if it was suspended in gravity stuck. And then BAMMM!! It's gone. Craziest thing I've ever seen in my life.

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Red and black octagon cylinder about the size of a city bus flying perpendicular to the ground at a flight level of 900 feet. Flight path was southwest to northeast at 100 knots. The craft rotated displaying red then black solid surface.

Two Air Force jets chasing object

1998 date unknown I did observe two Air Force jets chasing an object is heading from the West to the east after about a minute or two and high speed chase I saw the two aircraft brake off and heading back to the West they gave up in approximately five minutes later I saw the same object again coming from the south headed towards the North   in the direction Stevensville leaving the vicinity of Gatesville  Texas  I was working on a state prison unit and was on a guard Tower at the time when I observe the action in the air of the two aircraft breaking off away from the object the next day I went to the local newspaper in Killeen Texas and ask the editor at the front desk if there'd been any reports of anything in the Western sky outside of Fort Hood area, the man then stated to me or you another person that sing that object in the sky I looked at him and said okay that's all I need to hear he started hollering at me to come back and talk to him but I said no I'll not be ridiculed but idiots that don't understand I went back out in my vehicle and left I knew at that time what I seen was real it was not a figment of my imagination because other people had seen it also, the aircraft both look like F-15 Eagles, I did have my private pilot's license my father was in the military for 37 years I also worked at it Army Airfield in Germany when I was in high school one of my hobbies is military aircraft at that time I could tell you every known military aircraft in the USA allies and Warsaw Pact and I can guarantee you the aircraft they was chasing at the time was no known aircraft it had no wings it just look like a smear in the sky it was moving so fast it look like a cylinder almost like a flying pill