Steel Partners Ii SC 13D ENDWAVE / STEEL PARTNERS II ownership change

Exhibit 99.1

Joint Filing Agreement

In accordance with Rule 13d-1(k)(1)(iii) under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them of a Statement on Schedule 13D (including amendments thereto) with respect to the Common Stock, $0.001 par value per share, of Endwave Corporation.  This Joint Filing Agreement shall be filed as an Exhibit to such Statement.

Dated: March 7, 2011	STEEL PARTNERS II, L.P.
	By:	Steel Partners II GP LLC General Partner
	By:	/s/ Sanford Antignas
		Sanford Antignas Chief Operating Officer

STEEL PARTNERS HOLDINGS L.P.
By:	Steel Partners Holdings GP Inc. General Partner
By:	/s/ Sanford Antignas
	Sanford Antignas Chief Operating Officer

STEEL PARTNERS LLC
By:	/s/ Sanford Antignas
	Sanford Antignas Chief Operating Officer

/s/ Sanford Antignas

SANFORD ANTIGNAS

as Attorney-In-Fact for Warren G. Lichtenstein