Exhibit 10.1 MICHAEL F. SHANAHAN SR. EMPLOYMENT AGREEMENT -------------------- THIS EMPLOYMENT AGREEMENT is made and entered into as of the 1st day of September, 1998 by and between ENGINEERED SUPPORT SYSTEMS, INC., a Missouri corporation (hereinafter...Employment Agreement • June 12th, 2003 • Engineered Support Systems Inc • Air-cond & warm air heatg equip & comm & indl refrig equip • Missouri
