id	keyword
easat-2255	security
easat-2255	ukraine
easat-2255	international
easat-2255	war
easat-2255	nato
easat-2255	state
easat-2255	military
easat-2255	et al
easat-2255	european
easat-2255	russia
easat-2255	system
easat-2255	authors
easat-2255	western