The service made a cheat sheet for the 263-page guide.
Army mortar teams have replaced 20-year-old software used to calculate firing data and ballistics with a new application designed for smartphones.
The Pentagon's watchdog found that Pete Hegseth put U.S. troops and their mission at risk when he used the Signal app to convey sensitive information.
Advocates are raising alarms about how easily criminals can fabricate faces and voices in their efforts to cheat veterans and active-duty troops.
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