DES MOINES, Iowa (AP) – Military aircraft could be visible over several Iowa cities during a two-day flight training mission.  The Des Moines-based Iowa Air National Guard’s 132nd Fighter Wing and the 185th Air Refueling Wing from Sioux City will join in the training mission Thursday and Friday.  The Iowa National Guard says people in Des Moines, Ames, Iowa City, Cedar Rapids and Sioux City could see and hear the planes during the operation. Planes taking part include F-16 fighters and KC-135 tanker aircraft. Guard officials say nothing will be dropped from the planes and people below won’t be in any danger.