Narrative:

Military X, a U18, departed tri county airport 5 north of bjc climbing through bjc class D airspace at 6500 ft, 2 mi north. I advised my traffic. Then ground control cleared D84 when the target was identified by D84 and they had military X call us. I then gave traffic same altitude, mi ahead. Pilots do not seem to be concerned with a class D airspace.

Google
 

Original NASA ASRS Text

Title: MIL X UNAUTH PENETRATION OF CLASS D AIRSPACE.

Narrative: MIL X, A U18, DEPARTED TRI COUNTY ARPT 5 N OF BJC CLBING THROUGH BJC CLASS D AIRSPACE AT 6500 FT, 2 MI N. I ADVISED MY TFC. THEN GND CTL CLRED D84 WHEN THE TARGET WAS IDENTIFIED BY D84 AND THEY HAD MIL X CALL US. I THEN GAVE TFC SAME ALT, MI AHEAD. PLTS DO NOT SEEM TO BE CONCERNED WITH A CLASS D AIRSPACE.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.