USA-239 (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "USA-239" in English language version.

refsWebsite

Global rank English rank

8,665^th place

6,411^th place

75^th place

83^rd place

4,664^th place

3,842^nd place

1^st place

2,930^th place

2,204^th place

nasa.gov

"Navstar 67". US National Space Science Data Center. Retrieved 18 February 2014.

McDowell, Jonathan. "Launch Log". Jonathan's Space Page. Retrieved 18 February 2014.
McDowell, Jonathan. "Satellite Catalog". Jonathan's Space Page. Retrieved 18 February 2014.
McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Archived from the original on 15 August 2020. Retrieved 18 February 2014.

Krebs, Gunter. "GPS-2F (Navstar-2F)". Gunter's Space Page. Retrieved 18 February 2014.

Ray, Justin (9 Dec 2012). "Investigation finds Delta 4 rocket engine issue". Spaceflight Now. Retrieved 18 February 2014.

McDowell, Jonathan. "Launch List". Launch Vehicle Database. Jonathan's Space Page. Archived from the original on 15 August 2020. Retrieved 18 February 2014.