90th Missile Wing welcomes new commander Published May 26, 2015 By 150501 FRANCIS E. WARREN AIR FORCE BASE, Wyo. -- Col. Stephen M. Kravitsky takes command of the 90th Missile Wing from Col. Tracey L. Hayes May 27 at 9:45 a.m. at Argonne Parade Field here. Colonel Kravitsky most recently served as the Assistant Deputy Director for Nuclear, Homeland Defense and Current Operations, Joint Staff, Pentagon, Washington, D.C. Colonel Kravitsky will be available for a short time to meet the media, make a statement and answer questions in the Trail's End Community Center following the ceremony. Media interested in covering the change of command are asked to RSVP no later than 4:00 p.m. May 26 by calling Warren's Public Affairs office at 773-3381. Media will need to arrive at the Gate 2 visitor's parking lot on Missile Drive by 9:10 a.m. May 27 to be escorted to the parade field for the ceremony.