Members of Congress are calling for inquiries into how the incident happened and for assurance that the nation’s nuclear arsenal is properly protected. Jim Olson sat down today with a man who served 14 years at Minot Air Force Base working with nuclear missiles to set some insight about what might have happened last week... (Roger Harper, Retired Nuclear Weapons Tech) I was stationed at Minot in the 5th Munitions Squadron. (Jim Olson, KX News) Roger Harper is no longer in the Air Force - he had to retire after developing diabetes. And his retirement in 2001 is evidence of just how seriously the military takes the security of nuclear weapons (Roger Harper, Retired Nuclear Weapons Tech) Because of the diabetes and the career with nuclear weapons, it was incompatable. (Jim Olson, KX News) Harper spent 14 years as a nuclear weapons technician at Minot Air Force Base (Roger Harper, Retired Nuclear Weapons Tech) For the 14 years I was in nothing like that has ever happened, ever happened. My first reaction was, I was shocked. (Jim Olson, KX News) Harper says it's hard to fathom how highly-guarded nuclear bombs could end up on the tip of a missile under the wing of a B-52 (Roger Harper, Retired Nuclear Weapons Tech) The weapons themselves have their own storage containers and there are other types of safer types of shipment methods than actually on a missile, ready to be launched. (Does that aspect make you wonder?) I kind of sit back and wonder what in that chain broke down. (Jim Olson, KX News) Harper says the process of loading missiles and bombs onto pylons that are attached to the bomber's wings includes many opportunities to catch mistakes, including at the WSA or weapons storage area. (Roger Harper, Retired Nuclear Weapons Tech) If it started in the WSA with them towing a live, hot missile package out there, then the load crew should have detected that it was a hot package. The problem just escalated and it was one of those problems that, I...