Affiliation history for 0000-0002-9847-3388

The table below gives the affiliation history of the author based on the affiliations assigned to the author's articles.

Start	End	Country	Affiliation
2023	Present	US	Science Systems and Applications, Inc., Lanham, MD, USA
2022	2022	US	Science Systems and Applications, Inc., Lanham, MD 20706, USA