Chapter 1369 Concentrate reconnaissance resources!


    When the first ray of sunrise in the morning penetrates the night sky over China.


    The North American continent, located on the other end of the earth, has just entered the darkness.


    The combat center three hundred meters underground in the Cheyenne Mountain always exudes the unique metal chill of precision instruments. General Lance Lord''s fingertips gently tap the office desk in front of him, and the light blue halo emitted by the display screen was gray-blue. his pupils jumped.


    More than a dozen windows in front of you are playing satellite images in central China simultaneously, with red or yellow warning signs flashing on three of them—


    That''s the GPS signal breakpoint they deliberately created over the past three weeks.


    "The ninth test results are still within the error range, indicating that the scheme that affects signal reception through artificial frequency jitter is quite successful."


    Reconnaissance Director John Raymond pushed the steaming report to the commander, and a dense stream of data emerged on the screen:


    "However, the international rescue team we sent found through actual testing that the dual-end navigation equipment they received could switch to the Beidou port within one minute after the GPS signal was problematic, and the impact on material transportation and engineering rescue operations was minimal. , and this is just a general-level information code, and the equipment performance in the hands of the Chinese army will only be better."


    After a large-scale disaster occurs, various countries will send international rescue units to provide assistance in accordance with customs.


    But in addition to their jobs, they usually also undertake some low-sensitivity intelligence collection tasks, such as on-site inspections and loss assessments.


    In this case, everyone is basically in a tacit state.


    After all, they are really helping, and it is impossible to let foreigners enter a particularly critical position anyway. It is not good to both sides if they really want to break up.


    Of course, some countries are inevitably doing too outrageously, and they will still be hit by a certain degree of counterattack.


    However, Americans are experienced in this area and usually handle it very accurately.


    For example, this time, I am only responsible for field testing the functions of the Huaxia satellite network. Even if the other party knows that they are doing something, they can''t say anything.


    Admiral Lord nodded without comment, not particularly surprised by this result:


    "What about navigation performance?"


    After a while of silence, he finally asked:


    "How much impact does their Beidou system have on positioning accuracy and reaction time when the GPS signal is cut off?"


    Raymond was prepared for this:


    "It''s because we can''t access the military code, so we can only speculate based on the civil code."


    As he said that, he called out another report from the screen:


    "The positioning accuracy of the navigation system was not greatly affected, but in the first 30 hours, the data update frequency was reduced by about 40% compared to before. It should be noted that there are also many factors that may be superimposed, such as the ground. The station was destroyed or something.”


    "After this, Huaxia should have specially concentrated some of the communication relay navigation resources. According to a report five hours ago, the response time of Beidou RDSS and RNSS services was shortened to 5.18 and 2.04 seconds respectively, both of which were three days ago Shortened by about a quarter…”


    “…”


    After the report was completed, Raymond looked at the thoughtful old superior and asked tentatively:


    "Admiral, judging from the current results, the effect of limiting GPS signals is not obvious, and the other party should have noticed it a long time ago... If this information is leaked, it may be a big blow to our user trust. , are you considering returning to normal working state? ”


    A trace of hesitation flashed in Lance Lord''s eyes.


    The threat posed by the Beidou system in the commercial market is still very small, while Gronas can only maintain a complete rate of about 60%, and is almost unable to cover the middle and low latitude areas. However, the Galileo system has been in a large area in the Middle East in recent years. Sweeping users has had a significant impact on the layout of the satellite positioning system.


    Instead of answering the other party directly, he moved to a seemingly unrelated topic:


    "Last week, Sikorsky convinced Congress to allow them to lift some of the export restrictions on UH60 helicopter parts..."


    Raymond didn''t quite understand why the other party suddenly mentioned this matter, but continued:


    "It''s like this. It''s probably because China has equipped a large number of 12 and 17 series helicopters. Even if it continues to limit the supply of UH60 parts, it doesn''t make any sense. It''s better to take this opportunity to do a favor in exchange for some of the other party''s general aviation Market… You know, Miri, Kamov and Agusta have made a lot of money in China over the years, and it is hard for Sikorsky not to be jealous.”


    "Um…"


    Lord nodded, as if he had made up some determination. However, before he could make a decision, the orange alarm light sitting in the center dome suddenly began to flash.


    Level 2 alarm.


    This means there is some kind of emergency that deserves attention, but it does not have the possibility of evolution into actual conflict.


    Lord looked up and saw a silver light spot representing the KH-12 keyhole satellite on the three-dimensional orbital diagram, passing through the roof of the world in southwestern China.


    Immediately afterwards, the giant display switched out the optical imaging of the Hecheng Mountains of Hunan Province. It can be seen that in the valley covered by morning mist, a rather abrupt shadow appeared next to a seemingly ordinary mountain, and the ruts were nearby. The traces pressed on the road surface were also somewhat abnormal.


    "This is a photo taken by the keyhole satellite fifteen minutes ago."


    Colonel Devin Kenton, head of intelligence analysis, knocked his military boots on the floor in a rapid rhythm, and he drew a radial analysis line on the electronic sand table:


    "In addition, infrared reconnaissance results show that the temperature of the missile assembly workshop at Base 55 rose by about 4.5°C in the early morning of this local time... It should be said that their infrared camouflage work was done well, just a brief moment in the vehicle entering and leaving. Protective measures have to be lowered in the time window, just so happened to be noticed by our new satellites that have made orbital adjustments. "


    Lord took a deep breath and quickly realized the seriousness of the situation:


    "What about the radar reconnaissance results of lacrosse satellites?"


    Colonel Kenton shook his head helplessly:


    "Note the vegetation around Base 55."


    He answered while enlarging the image to decimeter resolution, disguising the dewdrop condensed on the web showing an unnatural refractive index in the morning light:


    "A large part of the birch and elliptical trees are fake. The leaves have an artificial electromagnetic structure composed of subwavelength metal resonance units, which can decompose incident radar waves into abnormal polarization states. Our synthetic aperture radar has been weakened by 55 % penetration, no better effect than optical and infrared reconnaissance.”


    No mistakes, one song, one content, one in 6, one book, one bar, one reading!


    Raymond suddenly thought of something and then called out the monitoring record from three months ago:


    "At the beginning of this year, the construction progress of the insulation layer of the 55 base suddenly advanced, and the rapid-coagulation concrete with strategic reserves was even used."


    He strode to the screen, pointing at the rut marks on the screen, and an analysis report on the relationship between the depth of the trace and the quality of the vehicle was displayed next to it:


    "In addition, if these traces are left by a transport vehicle, the single-axle load will increase by more than 25% compared to the HY4330 used by Dongfeng 31, which is obviously unrealistic... Not to mention whether China can create this level of transportation Even if it can, such an exaggerated pressure on the ground will make the passing ability a mess."


    "In other words, this 814 brigade should have been reinstalled in a large number of missiles, and may have 8-10 new missiles, and the transportation and transfer were completed during our satellite reconnaissance window period."


    General Lord''s eyes swept across the strategic situation chart, and the coverage net of satellite constellations over the Asia-Pacific is slowly moving westward as the earth rotates.


    He suddenly noticed the satellite transit timetable that the combat staff was adjusting:


    "Let the NROL-14, NROL-18 and Ruby 07 satellites change their orbits, and I will see a multi-spectrum scan of the mountains in the northeast of Hecheng in front of the next satellite communication window."


    Kenton showed a hint of hesitation in his eyes, but he finally spoke:


    "Your Excellency, if the locations of these two satellites are adjusted, then the tracking and monitoring of several blocks in central Mongolia and western Longyuan Province will have vulnerabilities..."


    He was interrupted by Lord''s wave of his hand:


    "This force receives new equipment at such a high frequency, and it is very likely that it will be launched soon. There will be nothing more important than an intercontinental ballistic missile test."


    "But Colonel Kenton just mentioned that the radar spectrum scanning effect around the base is very poor, and the opponent''s infrared camouflage is very good."


    Raymond also had some concerns about this:


    "In the end, it is very likely that only the visible light part can obtain sufficient results, but the optical equipment will leave enough reconnaissance windows for the other party at night and in harsh climates..."


    But Lord had obviously made up his mind:


    "If there is vegetation, it''s better, but their launch positions are always relatively empty. If we can analyze the traces of vehicle activities in the past and in the next period of time, we can infer the launch location that the other party plans to use."


    "As for the situation in Meng Province..."


    He looked at the map of China on the screen:


    "Concentrate the remaining reconnaissance resources of this mission over the missile range in Longyuan Province. No matter where the tactical missile test is launched, it will always hit here... Besides, they can''t cover the Gobi Desert with that kind of camouflage... Used trees!”


    (End of this chapter)