United States soldiers rely more and more on communications networks to support and enable military actions that include shooting weapons, targeting, and video-conferencing.

美国士兵越来越依赖于通信网络来支持军事行动并使其成为可能，包括射击武器、目标瞄准和电视会议。

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The weapons used in the shooting include a hunting gun and a historical army rifle known as a carbine, which dates back to the first half of the 20th Century, general prosecutor Catherine Sappey said.

BBC: Switzerland gunman kills three in Daillon in Valais

Capt Gary Palmer, an Army weapons expert, investigated the shooting in parallel with the police to ensure later recruits trained safely.

BBC: Ranger Michael Maguire

In Los Angeles this week, officials moved up their annual Mother's Day buyback program due to the Sandy Hook shooting, netting more than 2, 000 weapons, including two rocket launchers.

CNN: Donors spawn Connecticut gun buyback after mass shooting