The paper addresses the problem of transient elastodynamics analysis of a thick-walled. fluid-filled spherical shell embedded in an elastic medium with an analytical approach. This configuration is investigated at first step for a full-space case. Different constitutive relations for the elastic medium. https://www.roneverhart.com/2024-Floral-Halloween-Cookie-Card-3-5-x-5-Pre-Printed-Pack-of-25/