Player Embed Code: Download Embed Share DOD, Service Officials Testify on Military Housing Programs Defense.gov April 4, 2019 | 01:14:45 Robert H. McMahon, assistant secretary of defense for sustainment; Thomas Modly, undersecretary of the Navy; Alex A. Beehler, assistant secretary of the Army for installations, energy and environment; and John Henderson, assistant secretary of the Air Force for installations, environment and energy, testify before a hearing of the House Armed Services Committee's subcommittee on readiness about the recovery plan for mismanaged military family housing programs, April 4, 2019.