button” and a global positioning system device that is activated solely in emergency situations for the purpose of tracking the location of an agent in distress. The police-type vehicles shall be replaced at least every 3 years. 606. Portable computers The Secretary of Homeland Security shall ensure that each police-type motor vehicle in the fleet of the United States Border Patrol is equipped with a portable computer with access to all necessary law enforcement databases and otherwise suited to the unique operational requirements of the United States Border Patrol. 607. Radio communications The Secretary of Homeland Security shall augment the existing radio communications system so all law enforcement personnel working in every area where United States Border Patrol operations are conducted have clear and encrypted two-way radio communication capabilities at all times. Each portable communications device shall be equipped with a “panic button” and a global positioning system device that is activated solely in emergency situations for the purpose of tracking the location of the agent in distress. 608. Hand-held global positioning system devices The Secretary of Homeland Security shall ensure that each United States Border Patrol agent is issued a state-of-the-art hand-held global positioning system device for navigational purposes. 609. Night vision equipment The Secretary of Homeland Security shall ensure that sufficient quantities of state-of-the-art night vision equipment are procured and maintained to enable each United States Border Patrol agent working during the hours of darkness to be equipped with a portable night vision device. 610. Border armor The Secretary of Homeland Security shall ensure that every United States Border Patrol agent is issued high-quality body armor that is appropriate for the climate and risks faced by the individual officer. Each officer shall be allowed to select from among a variety of approved brands and styles. Officers shall be strongly encouraged, but not mandated, to wear