As there seems to be no topic for this tread, I will consider it a "performance" issue, though it deals with the lack of an AI radio call response.  
Issue #1:   
*Radio calls to AI (AWACS and/or Tanker) give no response... Radio works for the first played flight until crash, RCVR, Death...   
Recreation:   
*During gameplay in both mission editor tests, and missions, after death, crash, or respawn in different aircraft, radio calls to tankers and AWACS(es) do not respond.   
**Happens after eject, or crash RCVR to new or same slotted aircraft.   
***Sometimes can be corrected when transferred to different spawn aircraft, and then respawing into desired aircraft slot (if available)   
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Issue #2:   
Creating many varieties of triggered events have failed in creating a respawn of a same flight.   
Recreation:   
When creating triggers, say, F-15bis Gp #1, and then an F-15bis Gp#2 spawns, after Group #1 is 100 % destroyed... have also created seperate and combined actions that deactivate group and reactivated said group(s) after the conditions are met... Group 2 is destroyed, deactivates group 2 and reactivaters group 1.    
Many of these scenarios have not worked for triggered events... and should be a primary working mechanic in DCS World, most especially when practicing dog fights, and weapons deployment, there seems to be no working respawn mechanic...    
If I am missing something, please let me know.   
Most Sincere Thanks.   
Jason AKA Velsuvis 
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System:   
OS Name    Microsoft Windows 10 Pro Insider Preview 
Version    10.0.10576 Build 10576 
Other OS Description     Not Available 
OS Manufacturer    Microsoft Corporation 
System Name    DESKTOP-7P63HAL 
System Manufacturer    EVGA INTERNATIONAL CO.,LTD 
System Model    To be filled by O.E.M. 
System Type    x64-based PC 
System SKU    To be filled by O.E.M. 
Processor    Intel® Core i7-5930K CPU @ 3.50GHz, 3501 Mhz, 6 Core(s), 12 Logical Processor(s) 
BIOS Version/Date    American Megatrends Inc. 1.18, 10/8/2015 
SMBIOS Version    2.8 
Embedded Controller Version    255.255 
BIOS Mode    Legacy 
BaseBoard Manufacturer    EVGA INTERNATIONAL CO.,LTD 
BaseBoard Model    Not Available 
BaseBoard Name    Base Board 
Platform Role    Workstation 
Secure Boot State    Unsupported 
PCR7 Configuration    Binding Not Possible 
Windows Directory    C:\WINDOWS 
System Directory    C:\WINDOWS\system32 
Boot Device    \Device\HarddiskVolume1 
Locale    United States 
Hardware Abstraction Layer    Version = "10.0.10576.0" 
User Name    DESKTOP-7P63HAL\Jay 
Time Zone    Pacific Daylight Time 
Installed Physical Memory (RAM)    16.0 GB 
Total Physical Memory    15.9 GB 
Available Physical Memory    12.4 GB 
Total Virtual Memory    18.8 GB 
Available Virtual Memory    14.6 GB 
Page File Space    2.88 GB 
Page File    C:\pagefile.sys 
Hyper-V - VM Monitor Mode Extensions    Yes 
Hyper-V - Second Level Address Translation Extensions    Yes 
Hyper-V - Virtualization Enabled in Firmware    Yes 
Hyper-V - Data Execution Protection    Yes