# June 18, 1952 — March AFB, CA — UFO Paces B-25

**URL:** <https://uapdiscovery.discourse.group/t/june-18-1952-march-afb-ca-ufo-paces-b-25/186>\
**Category:** Blue Book Unknowns\
**Created:** [June 18, 2025, 2:40am UTC](https://uapdiscovery.discourse.group/t/june-18-1952-march-afb-ca-ufo-paces-b-25/186 "2025-06-18T02:40:16Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![jeffknox](https://avatars.discourse-cdn.com/v4/letter/j/e47c2d/32.png) [@jeffknox](https://uapdiscovery.discourse.group/u/jeffknox)\
**Post date:** [June 18, 2025, 2:40am UTC](https://uapdiscovery.discourse.group/t/june-18-1952-march-afb-ca-ufo-paces-b-25/186/1 "2025-06-18T02:40:16Z")

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![06181952-MarchAFB-B-25J_Pacific_Prowler_flying](https://canada1.discourse-cdn.com/flex011/uploads/uapdiscovery/original/1X/55296222f6d2f6591687672c224ec4f7098af1f4.jpeg)

June 18, 1952 — March AFB, CA  
5:00 p.m. USAF Capt. Erie P. Ashton and 2nd Lt. Clifton Ashley, while flying a B-25 about 100 miles east of March AFB [now March Air Reserve Base] in southern California, sight a silver object at approximately 11,000 feet in altitude off their left wing. The object is longer than it is wide and is in sight for about 39 minutes. [Eberhart]

ATIC Report:

 ![06181952-MarchAFB-ATICReport](https://canada1.discourse-cdn.com/flex011/uploads/uapdiscovery/original/1X/3f3b287e534696b9a057e9632e0b04a1dd56bc8f.jpeg)

Source:  
Brad Sparks, Blue Books Unknown Catalogue, Case 624, p. 138;

 ![06181952-MarchAFB-Sparks-Case624-p138](https://canada1.discourse-cdn.com/flex011/uploads/uapdiscovery/original/1X/af779197e0d3040ac4331a2f7f34fb7bcc81b2e7.png)

Edward Ruppelt, The report on unidentified flying objects, p. 146;

 ![06181952-MarchAFB-Ruppelt-p146](https://canada1.discourse-cdn.com/flex011/uploads/uapdiscovery/original/1X/15af333718bfc1c92d854f64b675cfa2cb8894a5.png)

Dominique F. Weinstein, ‘Unidentified Aerial Phenomena - Eighty Years of Pilot Sightings: A Catalog of Military, Airliner, and Private Pilots sightings from 1916 to 2000’, NARCAP TR-04, 2001, p. 19;

 ![06181952-MarchAFB-NARCAPTR4-p19](https://canada1.discourse-cdn.com/flex011/uploads/uapdiscovery/original/1X/ddbc48f6ce370cc7d258deb66538339cdc43a264.png)

NICAP, “UFO Paces B-25”;

> **[UFO Report](http://www.nicap.org/520618march_dir.htm)**