UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	April 6, 2010 1:30 P.M.

Form:	S-4
CIK: 0001039101 Company Name: L 3 COMMUNICATIONS CORP File Number: 333-165732
CIK: 0001240390 Company Name: BROADCAST SPORTS INC File Number: 333-165732-48
CIK: 0001310270 Company Name: D.P. Associates Inc. File Number: 333-165732-47
CIK: 0000913556 Company Name: ELECTRODYNAMICS INC File Number: 333-165732-46
CIK: 0001165044 Company Name: INTERSTATE ELECTRONICS CORP File Number: 333-165732-45
CIK: 0001339037 Company Name: L-3 Communications Advanced Laser Systems Technology, Inc. File Number: 333-165732-44
CIK: 0001168410 Company Name: L-3 COMMUNICATIONS AIS GP CORP File Number: 333-165732-43
CIK: 0001240854 Company Name: GOODRICH AVIONICS SYSTEMS INC File Number: 333-165732-42
CIK: 0001314379 Company Name: L-3 Communications Cincinnati Electronics CORP File Number: 333-165732-41
CIK: 0001339778 Company Name: L-3 Communications Electron Technologies, Inc. File Number: 333-165732-40
CIK: 0001240392 Company Name: L-3 Communications EO/IR, Inc. File Number: 333-165732-39
CIK: 0001076369 Company Name: L-3 COMMUNICATIONS ESSCO INC File Number: 333-165732-38
CIK: 0001274421 Company Name: L-3 COMMUNICATIONS FLIGHT CAPITAL LLC File Number: 333-165732-37
CIK: 0001274422 Company Name: L-3 COMMUNICATIONS FLIGHT INTERNATIONAL AVIATION LLC File Number: 333-165732-36
CIK: 0001339038 Company Name: L-3 Communications InfraredVision Technology CORP File Number: 333-165732-35
CIK: 0001168414 Company Name: L-3 COMMUNICATIONS INTEGRATED SYSTEMS L P File Number: 333-165732-34
CIK: 0001168412 Company Name: L-3 COMMUNICATIONS INVESTMENTS INC File Number: 333-165732-33
CIK: 0001274420 Company Name: L-3 COMMUNICATIONS KLEIN ASSOCIATES INC File Number: 333-165732-32
CIK: 0001339039 Company Name: L-3 Communications Mobile-Vision, Inc. File Number: 333-165732-31
CIK: 0001179227 Company Name: L-3 Communications Security & Detection Systems, Inc. File Number: 333-165732-30
CIK: 0001339040 Company Name: L-3 Communications Sonoma EO, Inc. File Number: 333-165732-29
CIK: 0001274417 Company Name: L-3 COMMUNICATIONS VECTOR INTERNATIONAL AVIATION LLC File Number: 333-165732-28
CIK: 0001274424 Company Name: L-3 COMMUNICATIONS AEROTECH LLC File Number: 333-165732-27
CIK: 0001240870 Company Name: L-3 COMMUNICATIONS WESTWOOD CORP File Number: 333-165732-26
CIK: 0001339051 Company Name: LinCom Wireless, Inc. File Number: 333-165732-25
CIK: 0001169270 Company Name: MICRODYNE COMMUNICATIONS TECHNOLOGIES INC File Number: 333-165732-24
CIK: 0000065743 Company Name: MICRODYNE CORP File Number: 333-165732-23
CIK: 0001169273 Company Name: MICRODYNE OUTSOURCING INC File Number: 333-165732-22
CIK: 0001076372 Company Name: PAC ORD INC File Number: 333-165732-21
CIK: 0001076373 Company Name: POWER PARAGON INC File Number: 333-165732-20
CIK: 0001076374 Company Name: SPD ELECTRICAL SYSTEMS INC File Number: 333-165732-19
CIK: 0001076376 Company Name: SPD SWITCHGEAR INC File Number: 333-165732-18
CIK: 0001270671 Company Name: TITAN FACILITIES INC File Number: 333-165732-17
CIK: 0001486878 Company Name: International Resources Group, Ltd. File Number: 333-165732-16
CIK: 0001486879 Company Name: L-3 Chesapeake Sciences Corp File Number: 333-165732-15
CIK: 0001486880 Company Name: L-3 Communications Applied Signal & Image Technology, Inc. File Number: 333-165732-14
CIK: 0001486881 Company Name: L-3 Communications CyTerra Corp File Number: 333-165732-13
CIK: 0001486882 Company Name: L-3 Communications Dynamic Positioning & Control Systems, Inc. File Number: 333-165732-12
CIK: 0001486883 Company Name: L-3 Communications EOTech, Inc. File Number: 333-165732-11
CIK: 0001486885 Company Name: L-3 Communications Foreign Holdings, Inc. File Number: 333-165732-10
CIK: 0001486886 Company Name: L-3 Communications Germany Holdings, LLC File Number: 333-165732-09
CIK: 0001486887 Company Name: L-3 Communications MariPro, Inc. File Number: 333-165732-08
CIK: 0001486888 Company Name: L-3 Communications Nova Engineering, Inc. File Number: 333-165732-07
CIK: 0001486889 Company Name: L-3 Communications Shared Services, LLC File Number: 333-165732-06
CIK: 0001486890 Company Name: L-3 Fuzing & Ordnance Systems, Inc. File Number: 333-165732-05
CIK: 0001486891 Company Name: L-3 G.A. International, Inc. File Number: 333-165732-04
CIK: 0001486877 Company Name: L-3 Global Communications Solutions, Inc. File Number: 333-165732-03
CIK: 0001486876 Company Name: L-3 Services, Inc. File Number: 333-165732-02
CIK: 0001486892 Company Name: L-3 Unmanned Systems, Inc. File Number: 333-165732-01