China "is developing new medium- and long-range stealth bombers to strike regional and global targets," the report reads. "Stealth technology continues to play a key role in the development of these new bombers, which probably will reach initial operational capability no sooner than 2025," it continued.
Today, China holds perhaps the world's most passive nuclear arsenal with nuclear warheads that never arm missiles and nominally "nuclear-capable" bombers that have never flown missions with nuclear warheads on board.
China's only current bomber is the H-6K, an updated, licensed knock off of the Soviet Tupolev Tu-16, which entered into service in 1954 and was retired by Moscow in 1993.
While the H-6K serves the purpose of signaling capability and resolve, by landing on artificial islands in the South China Sea, for example, it's nowhere near a modern bomber.
Plans and some potential images have leaked for the H-20, a long-range replacement for the H-6K, but until now the second Chinese stealth bomber has remained a rumor and a mystery.
Experts who spoke to Business Insider about China's H-20 described the bomber as likely looking a lot like the US's B-2, a big, flat, flying wing type design.
But the DIA hinted at something a bit more sporty in its report for the second mystery bomber.
"These new bombers will have additional capabilities, with full-spectrum upgrades compared with current operational bomber fleets, and will employ many fifth-generation fighter technologies in their design," the report said.
While a long-range flying wing type bomber like the H-20 has little use for fighter maneuvers, a medium-range fighter/bomber aircraft could easily make use of the avionics and tactics China gained in developing its stealth fighter, the J-20.
The DIA in a table later in the report refers to the second bomber as a "tactical bomber" and with a fighter/bomber mission, an advanced radar and long-range air-to-air missiles.
The Drive points out that a bomber like the one described by the DIA would have increased endurance and wouldn't rely so heavily on refueling tankers, thought to be a weak link with US combat aircraft.
China has long been developing a massive, nearly 6 metre long very long range air-to-air missile that experts say could pose a direct challenge to top US fighters like the F-35, F-22, and all legacy aircraft.
But the J-20 likely can't carry this long missile. A stealthy platform with a large internal weapons bay, like the fighter/bomber describe by the DIA, in theory, could handle this weapon.
With both an air-to-air and an air-to-ground mission, the mysterious new bomber may represent a missing link in China's emerging vision of air supremacy against the US.
Every big-deck US aircraft carrier launches early warning radar aircraft to act as long-range sensors for its fighter fleets, and this new missile appears purpose-built to down them.
"The best solution to this problem I can figure out is to send a super-maneuverable fighter jet with very long-range missiles to destroy those high-value targets, which are the 'eyes' of enemy jets," Air force researcher Fu Qianshao told Chinese media of its new long-range missile.
Super-maneuverability is one of the fifth-generation fighter characteristics that China may employ on its new bomber, according to the DIA.
"So the successful development of this potential new missile would be a major breakthrough," said Fu.
China has long hyped its existing J-20 as an air superiority fighter, but that assessment is routinely shot down by Western analysts who say the plane doesn't stand a chance in close combat with US F-15s or European Typhoons.
For the US, which can bring to bear the tremendous power of large fleets of land and ship-launched fighter jets anywhere in the world, its main weakness in air combat remains short ranges on its new jets, which leads to a reliance on unarmed refuelers.
But China, by following through on a medium range fighter bomber with long range missiles, may have cracked the code of how to dominate the skies of the Pacific while the US pours money into short range fighters like the F-35 or long-range bombers like the B-21.
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