As part of a well-rounded offering, Arotech also sells combat driving simulators and specialty zinc-air batteries to keep your electric motor running for a very long time. Among mid-caps, check out ManTech International ( MANT), which provides security services to the military in Iraq and elsewhere, as it has potential to rise to $47 from its current perch around $36 in the next 18 months Among large-caps, the KBR ( KBR) unit of Halliburton ( HAL) is worth a quick look for its military services arm, though it seems pretty expensive at current levels. Back in August 2006, I recommended that readers take careful aim at defense stocks when they were under the gun, and my top recommendation, Lockheed Martin, is up about 19% since, to the mid-$90s from around $80. DynCorp should do just as well, if not better. At the time of publication, Jon Markman owned shares of Lockheed Martin.