Japan makes 44 magnum resistant helmet
by brian wang from NextBigFuture.com on (#2YKSD)
The 7mm strong plates can deflect gunshots and protects against shrapnel, blasts and fire.
British SAS soldiers are reported to be testing out the Devtak Ronin helmets. US Navy SEALs and Army Delta Force have used Devtak helmets.
It picks up signals from other people through "friend or foe" vision and is air conditioned to protect against heat and gases.
The US and UK have the following standards for body armor and bullet proof vests.