1970 March 20 - 23:52 GMT - Launch Site: Cape Canaveral. Launch Complex: LC17. Launch Pad: LC17A. Launch Vehicle: Delta M. Model: Thor Delta M. LV Configuration: Thor Delta M 558/D77.

• NATO 1 Program: NATO. Payload: NATO IIA. Mass: 243 kg (535 lb). Class: Communications. Type: Military. Spacecraft: NATO 1. Agency: NATO. Perigee: 35,768 km (22,225 mi). Apogee: 35,801 km (22,245 mi). Inclination: 13.40 deg. Period: 1,436.00 min. COSPAR: 1970-021A. USAF Sat Cat: 4353. Completed Operations Date: 1977-01-01. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 18 deg W in 1970-1972; over the Americas at 100-110 deg W in 1977-1998 As of 3 September 2001 located at 101.97 deg W drifting at 0.023 deg E per day. As of 2007 Mar 9 located at 100.55W drifting at 0.016W degrees per day.References: 1, 2, 5, 6. Level: 1.

• NATO 2 Program: NATO. Payload: NATO IIB. Mass: 243 kg (535 lb). Class: Communications. Type: Military. Spacecraft: NATO 1. Agency: NATO. Perigee: 35,772 km (22,227 mi). Apogee: 35,802 km (22,246 mi). Inclination: 13.90 deg. Period: 1,436.10 min. COSPAR: 1971-009A. USAF Sat Cat: 4902. Completed Operations Date: 1984-06-01. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 26 deg W in 1971-1975?; over the Americas at 105 deg W in 1976-1983; over the Americas at 110 deg W in 1983; over the Americas at 105 deg W in 1983-1998 As of 5 September 2001 located at 104.88 deg W drifting at 0.004 deg W per day. As of 2007 Mar 9 located at 105.24W drifting at 0.007W degrees per day.References: 1, 2, 5, 6. Level: 1.

• NATO 3A Program: NATO. Mass: 310 kg (680 lb). Class: Communications. Type: Military. Spacecraft: NATO 3. Agency: NATO. Perigee: 35,801 km (22,245 mi). Apogee: 36,017 km (22,379 mi). Inclination: 13.30 deg. Period: 1,442.40 min. COSPAR: 1976-035A. USAF Sat Cat: 8808. Completed Operations Date: 1992-12-17. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Atlantic Ocean at 18 deg W in 1976-1982; over the Atlantic Ocean 30 deg W in 1982-1984; over the Atlantic Ocean 50 deg W in 1984-1985; over the Atlantic Ocean at 30 deg W in 1985-1989; over the Americas at 125 deg W in 1989-1991 As of 5 September 2001 located at 4.12 deg E drifting at 1.524 deg W per day. As of 2007 Mar 9 located at 142.00E drifting at 1.522W degrees per day.References: 1, 2, 5, 6. Level: 1.

• NATO 3B Program: NATO. Mass: 701 kg (1,545 lb). Class: Communications. Type: Military. Spacecraft: NATO 3. Agency: NATO. Perigee: 37,079 km (23,039 mi). Apogee: 37,421 km (23,252 mi). Inclination: 10.50 deg. Period: 1,511.50 min. COSPAR: 1977-005A. USAF Sat Cat: 9785. Completed Operations Date: 1993-07-29. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit over the Pacific Ocean at 135 deg W in 1977-1979 over the Atlantic Ocean 20 deg W in 1979-1982 over the Atlantic Ocean 18 deg W in 1983-1986 over the Atlantic Ocean60 deg W in 1987-1993 As of 5 September 2001 located at 74.61 deg W drifting at 18.018 deg W per day. As of 2007 Mar 10 located at 40.43E drifting at 18.015W degrees per day.References: 1, 2, 5, 6. Level: 1.

• NATO 3C Program: NATO. Mass: 720 kg (1,580 lb). Class: Communications. Type: Military. Spacecraft: NATO 3. Agency: NATO. Perigee: 36,289 km (22,548 mi). Apogee: 36,299 km (22,555 mi). Inclination: 11.80 deg. Period: 1,462.10 min. COSPAR: 1978-106A. USAF Sat Cat: 11115. Completed Operations Date: 1992-06-15. Positioned in geosynchronous orbit over the Atlantic Ocean at 50 deg W in 1979-1982 over the Atlantic Ocean 21 deg W in 1983-1986 over the Atlantic Ocean 18 deg W in 1987-1991 over the Atlantic Ocean21 deg W in 1991-1992 As of 31 August 2001 located at 122.29 deg E drifting at 6.431 deg W per day. As of 2007 Mar 10 located at 114.22E drifting at 6.438W degrees per day.References: 1, 2, 5, 6. Level: 1.

• NATO 3D Program: NATO. Mass: 320 kg (700 lb). Class: Communications. Type: Military. Spacecraft: NATO 3. Agency: NATO. Perigee: 35,779 km (22,231 mi). Apogee: 35,796 km (22,242 mi). Inclination: 2.20 deg. Period: 1,436.20 min. COSPAR: 1984-115A. USAF Sat Cat: 15391. Stationed at 138 deg W. Positioned in geosynchronous orbit at 30 deg W in 1985; 50 deg W in 1985-1986; 21 deg W in 1986-1991; 30 deg W in 1991-1993; 21 deg W in1993-1997; 18 deg W in 1997-1999 As of 31 August 2001 located at 19.33 deg W drifting at 0.021 deg W per day. As of 2007 Mar 10 located at 120.20W drifting at 19.149W degrees per day.References: 1, 2, 5, 6. Level: 1.

• NATO 4A Program: NATO. Payload: NATO 4A. Mass: 1,433 kg (3,159 lb). Class: Communications. Spacecraft: ECS/OTS. Agency: NATO. Perigee: 35,775 km (22,229 mi). Apogee: 35,800 km (22,200 mi). Inclination: 2.60 deg. Period: 1,436.10 min. COSPAR: 1991-001A. USAF Sat Cat: 21047. NATO communications; 18 deg W. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 18 deg W in 1991-1999 As of 5 September 2001 located at 17.81 deg W drifting at 0.007 deg W per day. As of 2007 Mar 10 located at 16.26W drifting at 0.003W degrees per day.References: 1, 2, 5, 6. Level: 1.

• USA 98 Program: NATO. Payload: NATO 4B. Mass: 1,430 kg (3,150 lb). Class: Communications. Spacecraft: ECS/OTS. Agency: NATO. Perigee: 35,767 km (22,224 mi). Apogee: 35,805 km (22,248 mi). Inclination: 2.20 deg. Period: 1,436.10 min. COSPAR: 1993-076A. USAF Sat Cat: 22921. NATO encrypted communications relay. Spacecraft engaged in practical applications and uses of space technology such as weather or communication (US Cat C). Positioned in geosynchronous orbit at 6 deg E in 1994-1998; 20 deg W in 1998-1999 As of 2 September 2001 located at 20.16 deg W drifting at 0.009 deg W per day. As of 2007 Mar 10 located at 35.47E drifting at 0.007E degrees per day.References: 1, 2, 5, 6. Level: 1.