0001193125-05-207394 10-Q 7 20050930 20051025 20051025 NORTHROP GRUMMAN CORP /DE/ 0001133421 3812 954840775 DE 1231 10-Q 34 001-16411 051153225 1840 CENTURY PK E C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 3105536262 1840 CENTURY PARK EAST C/O NORTHROP GRUMMAN CORP LOS ANGELES CA 90067 NNG INC 20010129 10-Q 1 d10q.htm FORM 10-Q FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 2005 EX-15 2 dex15.htm DELOITTE & TOUCHE LLP LETTER REGARDING UNAUDITED INTERIM FINANCIAL INFORMATION EX-18 3 dex18.htm DELOITTE & TOUCHE LLP LETTER REGARDING CHANGE IN ACCOUNTING PRINCIPLE EX-31.1 4 dex311.htm SECTION 302 CERTIFICATION OF RONALD D. SUGAR EX-31.2 5 dex312.htm SECTION 302 CERTIFICATION OF WESLEY G. BUSH EX-32.1 6 dex321.htm SECTION 1350 CERTIFICATION OF RONALD D. SUGAR EX-32.2 7 dex322.htm SECTION 1350 CERTIFICATION OF WESLEY G. BUSH