(U) A. Mission Description and Budget Item Justification

This program element funds Research and Development for the NAVSTAR Global Positioning System (GPS) space and control systems of the Block IIF Sustainment Program. This includes satellite design and development; control system, training simulator, and mission operation support center development and test; satellite upgrade design and development; control system, simulator and support center software upgrades; and R&D efforts to support deployment of GPS Block IIF. This PE is classified as Budget Activity 5, Engineering and Manufacturing Development (EMD),because it supports EMD of the GPS Block IIF satellite. Production funding for the Block IIF satellite is carried in PE 0305165.

(U) FY 1996 ($ in Thousands)

(U) $15,723	Award Contract for Block IIF - System Sustainment Satellite System Development
(U) $1,728	Award Contract for Block IIF - System Sustainment Ground System/Simulator Development
(U) $1,079	Studies
(U) $18,530	Total

(U) FY 1997 ($ in Thousands)

(U) $29,342	Continue Block IIF - System Sustainment Satellite System Development
(U) $4,095	Continue Block IIF - System Sustainment Ground System/Simulator Development
(U) $603	Initiate Block IIF - L-5 Navigation Signal Development
(U) $1,249	Studies
(U) $117	Mission Support
(U) $35,406	Total

(U) FY 1998 ($ in Thousands)

(U) $56,826	Continue Block IIF - System Sustainment Satellite System Development
(U) $7,559	Continue Block IIF - System Sustainment Ground System/Simulator Development
(U) $118	Mission Support
(U) $481	Continue Block IIF - L-5 Navigation Signal Development
(U) $6,110	Studies
(U) $71,094	Total

(U) FY 1999 ($ in Thousands)

(U) $27,613	Continue Block IIF - System Sustainment Satellite System Development
(U) $12,281	Continue Block IIF - System Sustainment Ground System/Simulator Development
(U) $127	Mission Support
(U) $18,832	Studies
(U) $9,000	IIF/IIR/IIA Compatibility Testing and Integration
(U) $67,853	Total

(U) B. Program Change Summary ($ in Thousands)

	FY 1996	FY 1997	FY 1998	FY 1999	Total Cost
(U) Previous President's Budget	18,656	37,142	74,944	65,262	Continuing
(U) Appropriated Value	19,699	37,142
(U) Adjustments to Appropriated Value
a. Cong Gen Reductions	- 386	-778
b. SBIR	- 416	-958
c. Omnibus or Other Above Threshold Reprogram
d. Below Threshold Reprogramming	-6
e. Rescision	- 361
(U) Adjustments to Budget Years Since FY97 PB			-3,850	2,591
(U) Current Budget Submit/President's Budget	18,530	35,406	71,094	67,853	Continuing

(U) Change Summary Explanation:

Funding: Adjustments in FY98 (-3,850) and FY99 (2,591) realign funds to the years in which they are required.

Schedule: No Change

Technical: No Change

(U) C. Other Program Funding Summary ($ in Thousands)

	FY 1996	FY 1997	FY 1998	FY 1999	FY 2000	FY 2001	FY 2002	FY 2003	To Compl	Total Cost
(U) Missile Procurement (GPS Block IIF)*	32,499	145,493	114,412	120,713	191,742	158,762	104,793	106,457
* Funding for GPS Block IIF resides in PE35165F
Related RDT&E:
(U) PE 0305164F, NAVSTAR GPS (User Equipment), provides receivers to use the positioning, navigation, and timing signals from satellites.
(U) PE 0101221N, Fleet Ballistic Missile System, range positioning.
(U) PE 0301357F and 0305913F (formerly 0102433F), Nuclear Detonation Detection System (NDS), fund NDS payloads on the GPS satellites.
(U) PE 0305119F Space Boosters, funds launch services (Delta II).
(U) PE 0305130F, Consolidated Space Operations Center (CSOC), funds CSOC which hosts the operational GPS Master Control Station.
(U) PE 0305165F, NAVSTAR GPS Space/Control, funds for Block IIR, CSEL, JPO support, and current ground system.

(U) D. Schedule Profile

FY 1996

FY 1997

FY 1998

FY 1999

	1	2	3	4	1	2	3	4	1	2	3	4	1	2	3	4
(U) Award Block IIF System Sustainment Contract			x
(U) System Design Review					x
(U) Preliminary Design Review								x

(U) A. Project Cost Breakdown ($ in Thousands)

	FY 1996	FY 1997	FY 1998	FY 1999
(U) Block IIF Development	18,530	35,406	71,094	67,853
(U) Total	18,530	35,406	71,094	67,853

(U) B. Budget Acquisition History and Planning Information ($ in Thousands)