X0101 EFFECT 33 LIVE 2010-04-06 13:30:00

S-4

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