The future president joined the Guard in May 1968.
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	3:det	_
2	future	future	ADJ	JJ	Degree=Pos	3	amod	3:amod	_
3	president	president	NOUN	NN	Number=Sing	4	nsubj	4:nsubj	_
4	joined	join	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	0:root	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	6:det	_
6	Guard	Guard	PROPN	NNP	Number=Sing	4	obj	4:obj	_
7	in	in	ADP	IN	_	8	case	8:case	_
8	May	May	PROPN	NNP	Number=Sing	4	obl	4:obl:in	_
9	1968	1968	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	8:nummod	SpaceAfter=No
10	.	.	PUNCT	.	_	4	punct	4:punct	_
