Just thought I'd chime in. I retired from DHS in 2011. I started with the US Customs Service in 1980. While it might not seem significant to most of you, to those of us who were involved, it is. The US Custom Service is not the same as the US Immigration (and Naturalization) Service which is not the same as the US Border Patrol - none of which are the same as the Department of Homeland Security. I know - it is confusing. Blame George Bush. I like George Bush - but there was no need to combine all those existing agencies into one huge, bloated bureaucracy - but I digress. I was a firearms instructor with the US Customs Service when the CS-1 was issued. The CS-1 (CS meaning Customs Service) had NOTHING to do with the US Immigration and Naturalization Service (USINS) or the Border Patrol (USBP). It was issued ONLY to the Customs Service. I mention this only because I see people displaying their guns with patches from the Border Patrol and Immigration. This is incorrect. The guns were issued ONLY to Customs personnel - Agents and Inspectors. Agents (investigators - non-uniformed, detective-type personnel) were issued the 3" versions and inspectors (the uniformed personnel who worked at the Ports-of-Entry) were issued the 4" versions. I could go on, but it is Christmas night and I'm tired. Happy holidays everyone.