IDCSP

Initial Defense Communications Satellite Program
(IDCSP) series and
(selected) Defense Satellite Communications System
(DSCS) series

DSCS-2
IDCSPDSCS-2

This page contains (selected) philatelic information on the US Air Force (USAF) Initial Defense Communications Satellite Program (IDCSP) and Defense Satellite Communications System (DSCS) series. Catalog numbers, years of issue, and notes on the satellites featured are given when available. If readers know of additional information or images, please contact the authors using the e-mail addresses at the bottom of this page.

IDCSP or DSCS-1 were also known as NATO-1 series satellites.

Launch information
(found elsewhere)
Launch covers
(including anniversary-of-launch covers, and launch-related event covers)
(farther below)
Other postal items
(stamps, souvenir sheets, aerogrammes, postal cards, etc.)
(immediately below)
IDCSP (USAF) IDCSP (USAF) ICDSP (USAF)
IDCSP (on other than IDCSP launch covers)
DSCS (USAF) (Selected) DSCS (USAF) DSCS (USAF)
DSCS (on other than DSCS launch covers)


Below is a list of IDCSP and DSCS-series postal items (stamps, souvenir sheets, aerogrammes, postal cards, etc.).

CountryCatalog NumberType of ItemYear of IssueNotes on Content
Initial Defense Communications Satellite Program (IDCSP) (USAF)
No (non-launch cover) postal items found
Defense Satellite Communications System (DSCS) (USAF)
No (non-launch cover) postal items found


Below is a list of IDCSP and DSCS-series launch covers (including anniversary-of-launch covers, and launch-related event covers).

CountryCancel DateCancel LocationType of ItemNotes on Content
Initial Defense Communications Satellite Program (IDCSP) (USAF)
1966-06-16: IDCSP-1/71 (and GGTS-1)
United States1966-06-16Cape Canaveral FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-1/7 launch
United States1966-06-16Patrick AFB, FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL(Astro Covers) cachet on coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL(Astro Covers) cachets on coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL (hand cancel)(Centennial) cachet on coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL (machine cancel)(Centennial) cachet on coverIDCSP-1/7 launch
United States1966-06-16Patrick AFB, FL(Sarzin?) cachet on coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL(Swanson purple rubber-stamp) cachet on coverIDCSP-1/7 launch
United States1966-06-16Kennedy Space Center FL(Artopages) cachet on coverIDCSP-1/7 launch
United States1966-06-16Kennedy Space Center FL(Artopages) cachet (different) on coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL(Swanson purple and black rubber-stamp) cachets on (airmail) coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL(Orbit Covers) cachet on coverIDCSP-1/7 launch
United States1966-06-16Cape Canaveral FL(HJM black) cachet on coverIDCSP-1/7 launch
1966-08-26: IDCSP-8/14 (and GGTS-2) [failed]
United States1966-08-26Cape Canaveral FL(Centennial) cachet on coverIDCSP-8/14 launch [failed]
United States1966-08-26Cape Canaveral FL(HJM blue) cachet on coverIDCSP-8/14 launch [failed]
1967-01-18: IDCSP-8/15
United States1967-01-18Cape Canaveral FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-8/15 launch
United States1967-01-18Patrick AFB, FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-8/15 launch
United States1967-01-18Patrick AFB, FL(Sarzin?) cachet on coverIDCSP-8/15 launch
United States1967-01-18Cape Canaveral FL(Orbit Covers) cachet on coverIDCSP-8/15 launch
United States1967-01-18Cape Canaveral FL(Centennial) cachet on coverIDCSP-8/15 launch
United States1967-01-18Cape Canaveral FL(Swanson purple rubber-stamp) cachet on coverIDCSP-8/15 launch
1967-07-01: IDCSP-16/19 (and DODGE and LES-5)
United States1967-07-01Patrick AFB, FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-16/19 launch
United States1967-07-01Cape Canaveral FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-16/19 launch
United States1967-07-01Cape Canaveral FL(Centennial orange rocket, type-1) cachet on coverIDCSP-16/19 launch (Pioneer-3/4 type, Pioneer-5/Explorer-62, and Vanguard-2 depicted)
United States1967-07-01Cape Canaveral FL(C. Swanson purple rubber-stamp) cachet on coverIDCSP-16/19 launch
United States1967-07-01Cape Canaveral FL(C. Swanson purple and red rubber-stamp) cachet on coverIDCSP-16/19 launch
Austria1967-07-03Krieglach(typed) cachet on coverIDCSP-16/19 launch
1968-06-13: IDCSP-20/27
United States1968-06-13Cape Canaveral FL(SpaceCraft/Swanson) cachet on cover, also insertIDCSP-20/27 launch
United States1968-06-13Cape Canaveral FL (machine cancel)(Orbit Covers) cachet on coverIDCSP-20/27 launch
United States1968-06-13Cape Canaveral FL (hand cancel)(Orbit Covers) cachet on coverIDCSP-20/27 launch
United States1968-06-13Cape Canaveral FL(Centennial) cachet on coverIDCSP-20/27 launch
IDCSP (on other than IDCSP launch covers)
United States1969-02-09Cape Canaveral FL (machine canceL)(Orbit Covers) cachet on Tacomsat-1 launch cover"Initial Defense Communications Satellite Program (ICSDP)"
United States1969-02-09Cape Canaveral FL (hand cancel)(Orbit Covers) cachet on Tacomsat-1 launch cover
(Selected) Defense Satellite Communications System (DSCS) (USAF)
1971-11-03: DSCS-2-1/2
United States1971-11-02Cape Canaveral FL(Space Voyage) cachet on cover, also insertDSCS-2-1/2 launch
United States1971-11-03Cape Canaveral FL(Cygnus no.9/Andromeda/Riser) cachet on (airmail) cover, also insertDSCS-2-1/2 launch
United States1971-11-03Kennedy Space Center FL(Centennial) cachet on coverDSCS-2-1/2 launch
1973-12-13: DSCS-2-3/4
United States1973-12-13Cape Canaveral FL(Space Voyage) cachet on coverDSCS-2-3/4 launch
United States1973-12-14Cape Canaveral FL(Whitney red and black) cachet on coverDSCS-2-3/4 launch
1975-05-20: DSCS-2-5/6
United States1975-05-20Kennedy Space Center FL(SCPS) cachet on coverDSCS-2-5/6 launch
United States1975-05-20Kennedy Space Center FL(SCPS) cachet (and signature) on cover, also backDSCS-2-5/6 launch
United States1975-05-20Cape Canaveral FL(Green printed) cachet on coverDSCS-2-5/6 launch
1977-05-12: DSCS-2-7/8
United States1977-05-12Cape Canaveral FL(Orbit Covers) cachet on coverDSCS-2-7/8 launch
United States1977-05-12Kennedy Space Center FL(SCPS) cachet on coverDSCS-2-7/8 launch
United States1977-05-12Lompoc CA, Vandenberg AFB(Ramkissoon? cyan rubber-stamp) cachet on coverDSCS-2-7/8 launch
1978-03-25: DSCS-2-9/10 [failed]
United States1978-03-25Patrick AFB, FL(Whitney purple and black) cachet on coverDSCS-2-9/10 launch [failed]
1978-12-13: DSCS-2-11/12
United States1978-12-13Kennedy Space Center FL(SCPS) cachet on coverDSCS-2-11/12 launch
1979-11-21: DSCS-2-13/14
United States1979-11-20Kennedy Space Center FL(Space Voyage) cachet on coverDSCS-2-13/14 launch
United States1979-11-20Kennedy Space Center FL(SCPS) cachet (and signature) on cover, also backDSCS-2-13/14 launch
United States1979-11-20Cape Canaveral FL(Whitney orange and black) cachet on (airmail) coverDSCS-2-13/14 launch
1985-10-03: DSCS-3-B4/B5 (from STS-51J)
United States1985-10-03Kennedy Space Center FL(Rockwell International) cachet on cover, also insert and insert backDSCS-3-B4/B5 deployed
United States1985-10-04Cape Canaveral FL(Colorano silk) cachet on coverDSCS-3-B4/B5 deployed
1992-02-11: DSCS-3-B14
United States1992-02-10Cape Canaveral FL(Printed) cachet on coverDSCS-3-B14 launch
DSCS (on other than DSCS launch covers)
United States1975-10-16Kennedy Space Center FL(Blue and red rubber-stamp) cachet on GOES-1 launch coverDSCS-2
United States1975-12-12Kennedy Space Center FL(Blue and red rubber-stamp) cachet on Satcom-1 launch coverDSCS-2
United States1975-12-15Kennedy Space Center FL(Blue and red rubber-stamp) cachet on DSP-5 launch coverDSCS-2
United States1976-01-15Kennedy Space Center FL(Blue and red rubber-stamp) cachet on Helios-2 launch coverDSCS-2
United States1976-01-19Kennedy Space Center FL(Blue and red rubber-stamp) cachet on CTS launch coverDSCS-2
United States1976-02-19Kennedy Space Center FL(Blue and red rubber-stamp) cachet on Marisat-1 launch coverDSCS-2

1IDCSP-1/7 newspaper article1, newspaper article2, and newspaper article3
2Explorer-6 and Pioneer-5 were similar "paddlewheel" satellites. It is believed that Explorer-6 contained two short antennas on its "top", whereas Pioneer-5 contained only a single short antenna. When there are no antennas on top, the distinction is unclear, but of the two, Pioneer-5 is assumed.


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Updated: 2017-12-21