Search results
Results from the WOW.Com Content Network
The Advanced Combat Helmet (ACH) is the United States Army's current combat helmet, used since the early 2000s. It was developed by the United States Army Soldier Systems Center , [ 2 ] the U.S. Army Special Operations Command , [ 3 ] and the U.S. Army Research Laboratory [ 4 ] to be the next generation of protective combat helmets for use by ...
Rumbler siren. A Rumbler siren is a type of emergency vehicle siren used primarily in the United States.Developed in 2007 by Federal Signal Corporation, and sounding at a low-frequency level, it is designed to be heard by motorists who may otherwise be unable to hear high-frequency sirens due to ambient noise, such as urban traffic.
In a pneumatic siren, the stator is the part which cuts off and reopens air as rotating blades of a chopper move past the port holes of the stator, generating sound. The pitch of the siren's sound is a function of the speed of the rotor and the number of holes in the stator. A siren with only one row of ports is called a single tone siren.
President-elect Donald Trump's nominees for jobs in his second term are receiving guidance about social media use ahead of confirmation hearings that will start next week. Susie Wiles, who managed ...
Personnel Armor System for Ground Troops (PASGT, pronounced / ˈ p æ z ɡ ə t / PAZ-gət) is a combat helmet and ballistic vest that was used by the United States military from the early 1980s until the early or mid-2000s, when the helmet and vest were succeeded by the Lightweight Helmet (LWH), Modular Integrated Communications Helmet (MICH), and Interceptor body armor (IBA) respectively.
Jay Leno is setting the record straight about his recent string of injuries.. The former Tonight Show host, 74, appeared on the Dec. 22 episode of Bill Maher's Club Random podcast to discuss ...
After days of services honoring former President Jimmy Carter, an official state funeral is set for Thursday at the Washington National Cathedral in Washington, D.C. Carter's state funeral is set ...
The Lightweight Helmet (LWH), also known as the Lightweight Marine Corps Helmet [1] or Lightweight Marine Helmet, is an armored helmet that is used by the United States Marine Corps and U.S. Navy. It is the U.S. Marine Corps' replacement for the PASGT combat helmet and is derived from the Modular Integrated Communications Helmet .