Command priority: nuclear surety Published Sept. 30, 2010 90th Munitions Wing Public Affairs F.E. WARREN AIR FORCE BASE, Wyo. -- Gen. Donald Hoffman, Air Force Materiel Command commander, looks over a maintenance capability letter with (from left) Chief Master Sgt. Eric Jaren, AFMC command chief, Senior Master Sgt. Julio Perez and Staff Sgt. Craig Helvie of the 15th Munitions Squadron during a visit to the squadron Sept. 24. General Hoffman visited the 15 MUNS, an AFMC mission partner. The unit stood up in August 2009, moving critical weapon system maintenance and storage responsibilities under AFMC.