COMPTEK RESEARCH INC/NY

Q: Jun 30 2000

FY: Mar 31 2000

FY: Mar 31 2000

Q: Dec 31 1999

Q: Oct 1 1999

Q: Jul 2 1999

FY: Mar 31 1999

Q: Dec 25 1998

Q: Dec 25 1998

Q: Sep 25 1998

Q: Jun 26 1998

FY: Mar 31 1998

FY: Mar 31 1998

Q: Dec 26 1997

Q: Sep 26 1997

Q: Jun 28 1997

FY: Mar 31 1997

Q: Dec 27 1996

Q: Jun 28 1996

Q: Sep 27 1996

5,7

5,7

5,7

2,7

5,7

5,7

7

2,7

5,7

Current report pursuant to Section 13 or 15(d) (amendment)

2,7

Current report pursuant to Section 13 or 15(d)

Certification of termination of registration of a class of securities (Section 12(b))

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Written communication about a business combination transaction (Rule 425)

Registration of Securities on Exchange (amendment)

Post Effective Amendment to S-8

Registration statement under Securities Act of 1933 to be offered to employees pursuant to certain plans

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Registration statement under Securities Act of 1933 (amendment)

Definitive Proxy Statement

Definitive Proxy Statement

Preliminary Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

Definitive Proxy Statement

BENEDETTI LAURA L

MORGAN JAMES D

ALUTTO JOSEPH A

EBERL EDWARD G

CUMMINGS JOHN R

MEYER WAYNE E

HEAD CHRISTOPHER A

FELDMANN BRADLEY H

MARTIN PATRICK J

SCHADEGG LAWRENCE M

SCIUTO JOHN

SEMMELHACK HENRY P

HAWK G WAYNE

NORTHROP GRUMMAN CORP

NORTHROP GRUMMAN CORP

NORTHROP GRUMMAN CORP

NORTHROP GRUMMAN CORP

COMPTEK RESEARCH INC/NY

COMPTEK RESEARCH INC/NY

BENEDETTI LAURA L