The officials in charge of the Army's program to put a 30 mm cannon on the Stryker vehicle are saying the competition is still "healthy" despite at least two vendors out of six choosing to withdraw from the initial phase. Those originally involved in the Phase 1 design integration study for the Medium Caliber Weapon System program were General Dynamics Land Systems, Kollsman, Leonardo DRS, Raytheon, Pratt & Miller and EOS Defense Systems. One vendor dropped out due to concerns...