Non-Proliferation and Verification 

Commentary on Uranium Forensics
This article discusses how the U234 of a given quantity of uranium can be varied enough to obscure the origin of that uranium.

Missions for Nuclear Weapons after the Cold War
US and Russian Nuclear Arsenals and Doctrines Are Dangerous Relics of the Cold War.

Ivan Oelrich's comments to the Bipartisan Task Force on Non-Proliferation
"Do As I Say, Not As I Do, Comments to the House Bipartisan Task Force on Non-Proliferation" by Dr. Ivan Oelrich.

Co-operative Threat Reduction: The View from Washington
Dr. Ivan Oelrich discusses the Co-operative Threat Reduction (CTR) program, an ad hoc combination of programs of assistance to the States of the former Soviet Union. The CTR program is extremely broad, ranging from help building safer, tamper-proof rail cars used to transport Russian nuclear warheads to efforts to redesign Russian nuclear research reactors so they no longer need highly enriched uranium (HEU).

Sizing Nuclear Forces
Dr. Ivan Oelrich addresses the utility of and need for nuclear weapons a decade after the end of the Cold War.

Missile Technology Control Regime
FAS Scoville Fellow, Sarah Chankin-Gould and Ivan Oelrich analyzed how weakening the Missile Technology Control Regime (MTCR) to allow export of defensive missile technology will actually help offensive missile proliferators.