This photo was taken from another website that had photos of the casket of a recently killed Aussie special ops trooper being loaded by his comrades into an aircraft to be sent home after being KIA in Afganistan.
Not to at all make light of his sacrifice.
The photo above has what looks like HK USP Tacticals in the belt holsters of this soldier's comrades in arms. They look to have the extended barrel, an ambi control lever and magazines with modified baseplates.
I took the time to post this because I was unaware of the Aussie SF/SAS using the USP/USP Tactical.