tokens: All the following interfaces shall conform to the propulsion system requirements during the whole life of the system or subsystems and include the following : 1 . Other stages of the launcher . 2 . The launcher or spacecraft spaceonics . 3 . Stage or spacecraft components : ( a ) skirts ; ( b ) spaceonics ( including hardware , OBDH , TM / TC , wiring and tunnels ) ; ( c ) separation devices ; ( d ) TVC ; ( e ) explosive devices ; ( f ) stage or spacecraft thermal protection ; ( g ) contamination ( e.g. plume effects ) ; ( h ) termination and destruction devices ; ( i ) environmental protection devices ( e.g. rain , dust , and Sun ) . 4 . The nature of the interfaces , i.e. : ( a ) geometry , including the analysis of the dimensions for all phases of life ( e.g. assembly or AIV , transport , integration on the spacecraft and flight ) ; ( b ) mechanical , including induced loads , static and dynamic ; ( c ) thermal , including thermal fluxes ; ( d ) electrical , including ensuring continuity , preventing ESD , EMI , and EMC ; ( e ) materials , including ensuring compatibility .