Satelit mata-mata: Perbedaan antara revisi

! Masa || Nama || Kode&nbsp;nama<{{br />}}atau&nbsp;nama julukan || Optika || Catatan

| [[1959]]–[[1972]] || KH-1 to<{{br />}}KH-4 || [[Corona (satellite)|Corona]] || Resolution: 7.5&nbsp;m, 2.75&nbsp;m, 1.8&nbsp;m<{{br />}}Focal length: 0.6&nbsp;m || First known series of US spy satellites; photographs returned by film canister ejection.

| [[1960]]–[[1962]] || &nbsp;– || [[Samos (satellite)|Samos]] || Res: 30 to 1.5&nbsp;m<{{br />}}Foc len: 0.7 to 1.83&nbsp;m || Most flights used [[radio]] to relay images; some film returns; probably cancelled due to poor-quality imagery

| [[1961]]–[[1964]] || [[KH-5]] || Argon || Res: 140&nbsp;m<{{br />}}Foc len: 76&nbsp;mm || Film return

| [[1963]] || [[KH-6]] || Lanyard || Res: 1.8&nbsp;m<{{br />}}Foc len: 1.67&nbsp;m || Shortlived operation for imaging a specific site; used a camera from the Samos program; film return

| [[1971]]–[[1986]] || [[KH-9]] || Hexagon<{{br />}}Big&nbsp;Bird || Res: 0.30&nbsp;m || Film return

| [[1976]]–[[1995]] || [[KH-11]] || Crystal<{{br />}}Kennan || Res: 0.15&nbsp;m<{{br />}}Mirror: 2.3&nbsp;m || First known [[digital imaging]] spy satellite.

| [[1990]]?–present? || [[KH-12]] || Ikon<{{br />}}Improved&nbsp;Crystal || Res: 0.15 to 0.10?&nbsp;m<{{br />}}Mirror: 2.4 to 4?&nbsp;m || Digital imaging; possible "live" intelligence gathering

| [[1999]]?–present? || [[KH-13]] || 8X? [[Entry into service|EIS]]? || Res: 0.10? to 0.04?&nbsp;m<{{br />}}Mirror: 4?&nbsp;m || Very little known; possibly includes [[radar imaging]] or maybe [[stealth technology]]