American response to an armed United Nations on US soil is a valid concern; but again, CU history has a response to that -- the Battle of Detroit. Before 1992 the US had not ratified the Tribunal Treaty over security concerns about foreign nationals in its territory. Then Dr. Destroyer leveled much of Detroit and killed 60,000 people. When the American public learned UNTIL had mobilized to help fight Destroyer, but were stopped at the border by bureaucratic red tape, their outrage forced the government to sign on.
As to super-technology, Champions Universe goes into some detail to show that it has indeed affected the world. Advances in medicine and genetics have eliminated, or diminished the impact of, many diseases. Scientists have adapted cybernetic technology first developed for powered armor and similar super-technology to devices that allow people with spinal injuries to walk again, and people with neurological disorders to function without significant impairment.
Communications has advanced significantly. Throughout the United States, Europe, and many other developed or wealthy countries, virtually everyone has access to computers, smartphones, and similar devices that are easily carried, lightweight, fast, high-memory, extremely user friendly, and have extraordinarily long battery lives. Even in Third World countries, ownership of cellular phones and computers may exceed 50% of the population, thanks to advanced manufacturing processes and materials. Holography has improved to the point where Millennium City features animated three-dimensional advertising billboards.
High-tech fibers and materials discovered by superhumans, and scientists working with their data, beginning in the Sixties have led to stronger and more comfortable bulletproof vests, lightweight armored panels for military vehicles, more crash-proof civilian cars, and many similar advances.
Internal combustion vehicles and manufacturing are much cleaner and more environmentally friendly than the machines of old, and major strides have been made in the field of alternative energy. Significant efforts have been made to clean up and repair damage to the environment, and to prevent further damage going forward.
Travel, whether by air, water, or land, is quicker and safer than ever before. Flights from the East Coast of the United States to the West Coast can be comfortably completed in just two hours in some cases. The "Smart Roadway" system in Millennium City interacts with Vehicle Control Chips in all cars within city limits, allowing traffic authorities to automatically track them, and if necessary shut a car down remotely. When driving on the Millennium City Highway surrounding the city, the VCC lets a central computer take direct control of the cars, practically eliminating accidents.
While humanity is not yet colonizing other worlds in the solar system, near-space exploration is advancing rapidly. Since 1996 UNTIL has had a fully-functioning space station, GATEWAY, orbiting Earth, with up to 200 inhabitants. The United States launched its own orbital facility, the United States Space Station, in 2006. UNTIL also has the distinction of being the first entity to establish a permanently-manned base on the Moon, Moonbase Serenity, in 2000. It now has over 40 personnel. In late 2004 the United States completed work on the Venus Scientific Outpost, an orbital station designed to study the hothouse planet in detail. It has a crew of eight, six unmanned sensor drones, and three one-man vehicles capable of descending to the middle ranges of the atmosphere. The United States established Ares I, also known simply as the Mars Research Base (or “Marsbase”) in 2008. Marsbase currently houses a dozen scientists, though plans call for expanding it to almost four times that size over the next twenty years.
Although most militaries still use standard-tech weapons (explosive-propellant-based bullets and rifles, tanks and howitzers firing explosive shells, manned fighter jets, and so on), the larger and more advanced armies and navies have incorporated some super-technology-derived weapons and systems into their arsenals.
Some Champions Universe governments have fielded units of soldiers equipped with low-strength powered armor (or at least high-tech defensive gear), made use of advanced spacecraft, and equipped special military and paramilitary forces with blasters and similar super weapons. But even then, they often prefer to keep their super-technology to themselves as much as possible, due to the strategic and tactical advantages it provides. For example, the United States has small squads of light powered armor-wearing soldiers, unmanned aerial vehicles (UAVs) with smart targeting capability able to fly at Mach 10, and many other such weapons. None of them provide the US with an overwhelming advantage in combat, but taken together they definitely extend and expand America’s already potent military capabilities.
In some cases, super-technology developments even trickle down to smaller militaries. The US Department of Defense has expressed concern about countries like North Korea or Awad building and using relatively cheap magnetic “railgun” weapons to shoot down American satellites and planes. Sometimes it seems that for every advance one nation makes, another finds a way to counter it using different super-technology... though the sources from which some lesser nations obtain their super-technology remain a subject of speculation.
Even mercenaries and mercenary companies get into the act sometimes. A few, seeking competitive advantage both on the battlefield and in the marketplace, have invested in (or otherwise obtained) powered armor suits, energy rifles, advanced robotic vehicles, and other super-tech weapons. Supervillains like Lazer, Mechassassin, and the Steel Commando all got their start as mercenaries (at least in part), and still participate in that part of the global underworld if the money’s right.
Various groups, notably the United States government, have salvaged and studied examples of alien technology from the several invasions and known spaceship crashes, with mixed results. They've had the most success understanding and adapting the tech from the Sirians, i.e. the "War of the Worlds" aliens. The highly biological nature of Qularr technology, including the tendency of the bio-components to decay or become dormant over time, has made it difficult to analyze and mostly incompatible with human tech. Gadroon gravity-manipulating devices appear to utilize principles that humans, even super-scientists, have never imagined, so have eluded deciphering. While trying to comprehend the nonfunctional wreckage of the Malvan ships that Ironclad and Herculan arrived in, has been likened to Neanderthals trying to reverse-engineer a supercollider.