US President Donald Trump is always protected by a powerful force of agents from the US Secret Service (USSS) during activities outside the White House.

The `shields` closest to him are secret agents on the payroll of the Presidential Protection Unit (PPD), often wearing black vests and using special pistols.

US President Donald Trump is always protected by a powerful force of agents from the US Secret Service (USSS) during activities outside the White House.

The `shields` closest to him are secret agents on the payroll of the Presidential Protection Unit (PPD), often wearing black vests and using special pistols.

The handgun model commonly used by these secret agents is the SIG Sauer P229, jointly manufactured by Germany and Switzerland.

The handgun model commonly used by these secret agents is the SIG Sauer P229, jointly manufactured by Germany and Switzerland.

In addition, the USSS also has a `super secret service` team called the Anti-Attack Team (CAT), which plays an important role in the US president’s protection squad.

In addition, the USSS also has a `super secret service` team called the Anti-Attack Team (CAT), which plays an important role in the US president’s protection squad.

One of the weapons often used by CAT members is the Remington Model 870, a shotgun model manufactured by Remington Arms company.

One of the weapons often used by CAT members is the Remington Model 870, a shotgun model manufactured by Remington Arms company.

CAT agents are also equipped with the HK MP5 submachine gun model using 9 mm bullets, with low shooting power but low recoil.

CAT agents are also equipped with the HK MP5 submachine gun model using 9 mm bullets, with low shooting power but low recoil.

An American secret agent carries an HK MP5 submachine gun when performing a mission.

The gun uses a 30-round magazine, a fire rate of 800 rounds/minute and an effective killing range of 200 m.

An American secret agent carries an HK MP5 submachine gun when performing a mission.

The gun uses a 30-round magazine, a fire rate of 800 rounds/minute and an effective killing range of 200 m.

Another CAT submachine model is the FN P90.

The P90 has a compact gun grip design and a handle made of polymer and alloy.

Another CAT submachine model is the FN P90.

The P90 has a compact gun grip design and a handle made of polymer and alloy.

The most common weapon of the CAT squad is the KAC SR-16 guns.

The gun uses NATO standard 5.56×45 mm ammunition.

The most common weapon of the CAT squad is the KAC SR-16 guns.

The gun uses NATO standard 5.56×45 mm ammunition.

CAT squad members also often carry KAC SR-25 sniper rifles, using standard 7.62×51 mm NATO bullets, with an effective range of about 800 m, to eliminate threats from

CAT squad members also often carry KAC SR-25 sniper rifles, using standard 7.62×51 mm NATO bullets, with an effective range of about 800 m, to eliminate threats from

A US secret agent carrying a KAC SR-16 rifle sits in a car in the US President’s escort.

A US secret agent carrying a KAC SR-16 rifle sits in a car in the US President’s escort.

A secret agent fully armed and equipped stands guard in front of the White House.

A secret agent fully armed and equipped stands guard in front of the White House.

CAT members stand in front of Air Force One in Jakarta, Indonesia in November 2006.

CAT members stand in front of Air Force One in Jakarta, Indonesia in November 2006.

Nguyen Hoang