Trespass notice Published May 16, 2013 WESTOVER AIR RESERVE BASE, Mass. -- As a part of the annual trespass notice, security forces reminds that the Westover small arms range is off-limits to unauthorized personnel. The range is located off Training Avenue. Trespassing on the small arms range is not only illegal, it is also dangerous because of the live gunfire. Questions may be directed to MSgt. Jeffrey Otis in the combat arms section at 557-2061 or the law enforcement desk at 557-3557.