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There is a card showing Patricia crossing to the US with her mother , going to her father John Thomas Turner at 199 Harvard Street East Cambridge Massachusetts in 1928 :

https://www.familysearch.org/ark:/61903/3:1:3QS7-9981-47BS-G?i=1597&cc=2185163&personaUrl=%2Fark%3A%2F61903%2F1%3A1%3AQK3R-FTK2

Here is the family on the 1930 US census :

https://www.familysearch.org/ark:/61903/1:1:XQGR-8FV

I think the names refer to the various planes he was tested on .

Avro Manchester , Avro Anson , Spitfire, North American Harvard :

https://www.rafmuseum.org.uk/research/collections/north-american-harvard-iib/
https://www.rafmuseum.org.uk/?s=avro+anson
https://en.wikipedia.org/wiki/Avro_Manchester

I can't find anything for Master and Spitfire is self explanatory.

EDIT - this might be the Master :

https://en.wikipedia.org/wiki/Miles_Master

Gloria Broadhead has 2 children with her when she travels to Singapore in 1955. Their births can be found in the Index of births :

 Broadhead ( mmn Jones )  2Q 1955 Wellington Shropshire 9A 328
 Broadhead ( mmn Jones ) 2Q 1953 Hereford 9A 54

They may be living so I haven't given names and I hope the above details don't go too far - will delete if necessary.

There is a Gloria Van Sickle from Great Britain who became a US citizen in 1967 in Phoenix.  https://www.newspapers.com/article/arizona-republic/135201627/

There are some Van Sickle men in the right age range in the Phoenix area, but I haven't matched any up to your Gloria or the address.

Various Naturalisation papers give her name as Gloria June Dawn Van Sickle born 6 June 1930 in Lewes Sussex. She made an application for her Petition to be transferred from Washington State to Arizona. The following addresses are mentioned :
4617 S. Fawcett Tacoma Pierce Washington
4917 East Indian School Road Phoenix Maricopa Arizona
She states that she was admitted to the US for permanent residence May 28 1962.

There is a Gloria J D Jones 2Q 1930 Lewes 2B 225 mmn Dowling. She appears to have married in 1952 in Abergavenny but not to Van Sickle. She travelled to Singapore in 1955 as Gloria June Dawn Broadhead.

The Death Certificate , available on Ancestry, confirms parents as William Garfield and Jane Harvey.